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Posts Tagged ‘colombia’

FIRE-EARTH Report: Colombia 02

Posted by feww on April 20, 2017

  • CJ
  • EAC
  • OCT
  • WRK

Colombia Disaster Review 13

[Prepared by FIRE-EARTH Science Team.]

  • Report available from FIRE-EARTH PULSARS.

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FIRE-EARTH Report: Colombia

Posted by feww on April 3, 2017

  • CJ Members
  • EAC
  • OC Teams

Colombia Disaster Review

[Prepared by FIRE-EARTH Science Team.]

  • Report available from FIRE-EARTH PULSARS.

 

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Selected Seismicity – June 24, 2019

Posted by feww on June 24, 2016

M5.9 strike 102km SSE of Yonakuni, Japan Region

Location: 23.614°N 123.386°E
Depth: 10.0 km
Time: 2016-06-23 21:05:29 UTC

M2.9 – 1km NW of Lakeland South, Washington
Location: 47.286°N 122.292°W
Depth: 22.0 km
Time: 2016-06-24 08:38:34 UTC

M4.9 – 89km S of Semisopochnoi Island, Alaska
Location: 51.158°N 179.423°E
Depth: 35.0 km
Time: 2016-06-24 09:23:02 UTC

M4.4 – 13km N of Aratoca, Colombia
Location: 6.813°N 73.028°W
Depth: 147.0 km
Time: 2016-06-23 22:28:55 UTC

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ZIKV Emergency: New Warnings Issued by Colombia, Ecuador, El Salvador & Jamaica

Posted by feww on January 23, 2016

One million cases of ZIKV infections worldwide: FIRE-EARTH Models

FIRE-EARTH Models show more than one million incidences of ZIKV infections may have occurred worldwide since October 2015.

Link to Microcephaly

Researchers suspect a possible link between Zika virus infection and microcephaly, a severe birth defect where a baby’s head is smaller than expected when compared to babies of the same sex and age. Babies with microcephaly often have smaller brains that might not have developed properly.

Microcephaly can occur as a result of changes in babies genes, as well as other causes that can include the following exposures during pregnancy:

Microcephaly is a birth defect where a baby’s head is smaller than expected when compared to babies of the same sex and age. Babies with microcephaly often have smaller brains that might not have developed properly. Microcephaly is not a common condition. State birth defects tracking systems have estimated that microcephaly ranges from 2 babies per 10,000 live births to about 12 babies per 10,000 live births in the Unites States.

Latest Health Warnings

Authorities in four countries—Colombia, Ecuador, El Salvador and Jamaica—have warned women to avoid pregnancy as cases of microcephaly, believed to be caused by Zika virus (ZIKV), continue to multiply.

Brazil. Authorities say the number of babies born with suspected microcephaly has now reached about 4,000 since October, 2015.

Colombia. Health Minister has urged women to delay pregnancies for about eight months.

Ecuador, El Salvador and Jamaica. Authorities have told women to delay pregnancies by up to two years.

U.S. Last week, explosive outbreaks of ZIKV, a dangerous tropical disease linked to birth defects, prompted the  U.S. health officials to issue a travel alert for people traveling to regions and countries where the virus transmission is spreading: Brazil, Colombia, El Salvador, French Guiana, Guatemala, Haiti, Honduras, Martinique, Mexico, Panama, Paraguay, Suriname, Venezuela, and the Commonwealth of Puerto Rico.

Countries that have past or current evidence of Zika virus transmission

AFRICA: Angola*, Burkina Faso, Cameroon, Cape Verde, Central African Republic, Cote d’Ivoire, Egypt*, Ethiopia*, Gabon, Gambia*, Kenya*, Nigeria, Senegal, Sierra Leone*, Somalia*, Tanzania*, Uganda and Zambia*.

AMERICAS: Brazil, Colombia, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Martinique, Mexico, Panama, Paraguay, Puerto Rico, Suriname and Venezuela.

OCEANIA/PACIFIC ISLANDS: Cook Islands, Easter Island, Federated States of Micronesia, French Polynesia, New Caledonia, Samoa, Solomon Islands and Vanuatu.

ASIA: Cambodia, India*, Indonesia, Malaysia, Pakistan*, Philippines, Thailand and Vietnam*.

[*For these countries, the only evidence of Zika virus transmission is from studies that detected Zika virus antibodies in healthy people.  These studies cannot determine where the people were infected or if they were infected with Zika virus because the antibodies may have resulted from infections with other closely related viruses, such a; s dengue virus.]

Ae. aegypti Mosquitoes: The Principal Vectors of ZIKV

Ae. aegypti and Ae. albopictus are the principal vectors of dengue (DENV-1, DENV-2, DENV-3, DENV-4), chikungunya (CHIKV), yellow fever (YFV), and Zika (ZIKV) viruses. Of these seven arboviruses, DENV, YFV and CHIKV have caused outbreaks within the United States and its territories in the past 110 years.

With a newly-obtained fiery red blood meal visible through her transparent abdomen, the now heavy female Aedes aegypti mosquito took flight as she left her host’s skin surface. Photo Credit: James Gathany/ CDC

Approximate distribution of Ae. aegypti and Ae. albopictus mosquitoes in the United States. -CDC-

ZIKV in Brief [CDC]

Zika virus is spread to people through mosquito bites. The most common symptoms of Zika virus disease are fever, rash, joint pain, and conjunctivitis (red eyes). The illness is usually mild with symptoms lasting from several days to a week. Severe disease requiring hospitalization is uncommon.

Outbreaks of Zika have occurred in areas of Africa, Southeast Asia, the Pacific Islands, and the Americas. Because the Aedes species mosquitoes that spread Zika virus are found throughout the world, it is likely that outbreaks will spread to new countries. In December 2015, Puerto Rico reported its first confirmed Zika virus case. Locally transmitted Zika has not been reported elsewhere in the United States, but cases of Zika have been reported in returning travelers.

There is no vaccine to prevent or medicine to treat Zika. Travelers can protect themselves from this disease by taking steps to prevent mosquito bites. When traveling to countries where Zika virus (see map) or other viruses spread by mosquitoes have been reported, use insect repellent, wear long sleeves and pants, and stay in places with air conditioning or that use window and door screens.

Zika and pregnancy

Related Links

ZIKV

DENGUE

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DISASTER DIARY – DECEMBER 31, 2015

Posted by feww on December 31, 2015

Major to record flooding continues over parts of Mississippi River Valley: NWS

Major flooding is occurring or forecast on the Mississippi and Ohio rivers & tributaries in Missouri, Illinois, and Kentucky, with record flooding at several locations. Major flooding is also occurring on the Arkansas River & tributaries in Arkansas. Floodwaters will move downstream over the next couple of weeks, with significant river flooding expected for the lower Mississippi into mid-January. Read More…

More flooding is forecast for Missouri and Illinois were on Thursday as rain-swollen rivers overflowed their banks, inundating vast areas, washing out hundreds of homes and leaving thousands of people displaced.

Flood Warnings were in effect in at least 16 states, as of posting. The Mississippi River, North America’s third longest, is forecast to crest early next week in Thebes, Illinois, at 14.48 meter, more than 0.46 cm above the 1995 record, said NWS.

Tornadoes, flooding and extreme rain have killed dozens of peephole in the southern and central U.S. since last week.

Yemen: Humanitarian catastrophe worsens

Conflict continues to devastate the lives of men, women, and children in Yemen. Eighty-two per cent of Yemen’s population requires some form of humanitarian assistance to meet their basic needs or protect their fundamental rights. After nine months of intensified conflict the severity of needs, among the most vulnerable populations, has deepened and the lack of a political solution will further exacerbate the humanitarian crisis, UN said.

Ongoing air strikes by the Saudi-led coalition and conflict on the ground makes humanitarian activities, including the transportation of goods, difficult and, at times, dangerous.

Over one million migrant/ refugee sea arrivals reach Europe in 2015

Some 1,000,573 people have reached Europe across the Mediterranean, mainly to Greece and Italy, in 2015 including 3,735 who were missing, believed drowned, according to the latest figures released by UNHCR.

Mass evacuations in three Australian towns as bushfires reignite

Thousands of residents and tourists were evacuated on Thursday from three regions along the scenic Great Ocean Road in southern Australia as hot, windy weather reignited  bushfires that destroyed 116 homes on Christmas Day.

The fires, which started by lightning 12 days ago, have consumed more than 2,500 hectares, and threatened to re-intensify amid record warm temperatures and high winds.

“The local community has listened to the best of advice and will leave their homes because on such a challenging day, with that fire still active, so close to them, it’s not safe for them nor is it safe for those who have been called on to protect them,” Victoria state Premier said

Colombia issues ‘Red Alert’ over record low river levels

Colombia has issued a red alert after water levels dropped significantly in the Magdalena River, the country’s main waterway, and Cauca River, another key river, said a report.

Hundreds of towns and cities across the country rely on the two rivers for water.

“The Magdalena River presents the lowest levels since 1973. The level is 45 centimeters, when it should be 134 centimeters,” said President Santos.

Drought Plunges Lesotho into Emergency

More than 650,000 people face hunger in Lesotho’s worst drought in decades. Struggling from two successive crop failures, the mountain kingdom has been pushed into a state of crisis by low rainfall across much of southern Africa.

Impact of flooding in northern Argentina

The number of families impacted by the flooding in the north and central parts of the Argentina is growing.

  • More than 25,000 people have been affected by the overflow of the Uruguay and Paraná Rivers, according to the latest estimates.
  • At least 1,900 inhabitants of Concordia have been evacuated due to historic river flooding in the city.
  • Over 15,000 people have been affected in Concordia, a number that includes 2,000 evacuees and over 9,000 people that have abandoned their homes and are living with family or friends.

Hundreds evacuated from BP oil platforms in North Sea

Some 235 workers were evacuated from BP’s oil platforms in the Vallhall oilfield in the Norwegian North Sea after a 110-meter monster barge drifted near the major oilfield uncontrollably, local media reported.

Fatality on board COSL rig in North Sea

Statoil and COSL say one worker was killed an at least two others injured as a result of the “breaking wave” that hit the drilling rig COSL Innovator.

“COSL Innovator is under contract to Statoil at the Troll field in the North Sea, west of Bergen. The rig had been taken off the well as a result of the bad weather before the incident occurred. The breaking wave also caused some damage to the rig’s accommodation module.”

The rig is being evacuated, and the evacuees are being flown ashore, according to a statement posted on Statoil website.

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Significant Earthquakes – July 29, 2015

Posted by feww on July 29, 2015

M6.3 quake strikes SSW of Redoubt Volcano, Alaska

Magnitude: 6.3Mw [USGS/EHP]
Location: 59.906°N, 153.150°W
Depth: 116.6 km
Time: 2015-07-29 at 02:35:59 UTC,
Distances:

  • 68km (42mi) SSW of Redoubt Volcano
  • 230km (143mi) SW of Anchorage, Alaska

M4.7 quake strikes 73km SSW of Nikolski, Alaska
Location: 52.361°N 169.387°W; depth=35.2km
Time:2015-07-29 07:41:07UTC

M4.9 quake strikes 10km W of Merizo Village, Guam
Location: 13.262°N 144.576°E; depth=89.7km
Time: 2015-07-29 03:51:07UTC

M5.9 quake strikes 29km S of Acandi, Colombia
Location: 8.237°N, 77.298°W; depth=10.0 km
Time: 2015-07-29 00:10:24 UTC

 

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Deadly Landslide Devastates Colombian Town

Posted by feww on May 19, 2015

Up to a 100 dead or missing, many injured, 1,000 evacuated after landslide

Mudslide tore through the town of Salgar in SW Colombia’s Antioquia department killing at least 65 people and leaving many more  injured, said officials.

Torrential rains flooded river Liboriana causing it to burst its banks, triggering the mudslide, which swept away the neighborhood of Santa Margarita, said local reports.

Meantime, the Colombian President declared a state of Emergency after touring the disaster area on Monday.

  • Antioquia Governor said the number of dead was expected to rise, adding that he had no idea how many residents were missing.
  • At least 1,000 people have been evacuated.
  • More rain is forecast for the region this week.

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Strong Earthquake Shakes Buildings in Colombian Cities

Posted by feww on March 11, 2015

M6.2 quake strikes near Aratoca, Colombia

Centered at 6.769°N, 72.970°W the quake struck at a depth of about 157 km shaking building in several cities including Aratoca, Bucaramanga, Malaga, Piedecuesta, San Gil and was reportedly felt in as far away as the capital Bogota, according to local reports.

EQ Details
Magnitude: 6.2Mw
Event Time: 2015-03-10 at 20:55:44 (UTC)
Nearby Cities:

  • 10km (6mi) NE of Aratoca, Colombia
  • 25km (16mi) SSE of Piedecuesta, Colombia
  • 27km (17mi) WNW of Malaga, Colombia
  • 29km (18mi) NE of San Gil, Colombia
  • 268km (167mi) NNE of Bogota, Colombia

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Global Disasters/ Significant Events – March 4, 2015

Posted by feww on March 4, 2015

Disasters affect more than 1.3 million people in Colombia

Human-enhanced natural disasters affected 1,334,029 people across Colombia Between January 2014 and February 2015.

Severe drought in the Caribbean and Andean regions affected more than 729,000 of the total, while widespread flooding in other regions affected about 296,000 others, reported UN OCHA.

“For 2015, there is a likelihood for continuing dry conditions. The extremely dry season has led to drought, water shortages, forest fires and access constraints due to low river levels,” said the report.

An estimated 124,000 people displaced by conflict across Mindanao in 2014

Armed conflict, clan feuds and widespread violence has caused multiple displacements across Mindanao from starting 2012, UN reported.

In 2014, an estimated 124,000 people were displaced by conflict according to the Protection Cluster.
Currently, more than 100,000 people are directly affected
by conflict each year.

By January 2015, at least 77,000 people were still
without lasting solutions including some 30,000 internally displaced people (IDPs) in Zamboanga City.

UN Figures:  Displacement in Central Mindanao

Number of affected people: 69,700
Number of IDPs in evacuation centers: 46,400
Number of evacuation centers: 45
Number of house-based IDPs: 17,200

Zamboanga Crisis

Number of IDPs evacuation centers: 6,700
Number of IDPs in transitional sites: 12,400
Number of house-based IDPs: 11,300

Iraq violence kills more than 1,100 in February: UNAMI

Some 1,103 people weer killed in Iraq last month, including 611 civilians, said the UN Assistance Mission for Iraq (UNAMI) in a statement.

At least 2,280 people, including 1,353 civilians, were wounded across Iraq last month, added UNAMI.

Baghdad was worst hit by the violence with at least 329 people dead and 875 others wounded, said the report.

January’s death toll was at least 1,375, including 790 civilians, said UNAMI.

The UN figures do not include the casualties in Iraqi regions held by ISIL terrorists.

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Strong Quake Strikes Near Barbados

Posted by feww on February 18, 2014

Seismic Hazard
.

M6.7 quake strikes 172km NNE of Bathsheba, Barbados

The event was preceded by a 5.7 shock (centered 6.536°N, 71.686°W) that occurred at a depth of 27.7km (17.2mi) about 9km NNE of Tame, Colombia at 9:41:34UTC on February 17.

barbados quake
Earthquake Location Map.  Source: USGS/EHP

Earthquake Details [USGS/EHP]

  • Event Time: 09:27:14 UTC on 2014-02-18
  • Location: 14.700°N, 58.800°W depth=10.0km (6.2mi)
  • Nearby Cities:
    • 181km (112mi) NNE of Bathsheba, Barbados
    • 197km (122mi) NNE of Bridgetown, Barbados
    • 230km (143mi) E of Le Robert, Martinique

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Significant Quakes January 4 – 5, 2014

Posted by feww on January 5, 2014

Global Earthquakes: 1 Day, Magnitude 2.5+

20 earthquakes struck globally in the 24 hours to 07:23:31UTC on January 5, 2014.

M 5.3 – 40km W of El Dovio, Colombia
Time: 2014-01-05 03:36:41 UTC
Location: 4.558°N 76.600°W
Depth: 61.4km

M 5.1 – 292km E of Chul’man, Russia
Time: 2014-01-04 19:34:27 UTC
Location: 56.714°N 129.683°E
Depth: 12.3km

M3.7 – 17km NNW of Langston, Oklahoma
Time: 2014-01-04 23:33:32 UTC
Location: 36.099°N 97.306°W
Depth; 4.6km

M3.5 – 2km NNE of Cherokee, Oklahoma
Time: 2014-01-04 20:35:32 UTC
Location: 36.772°N 98.347°W
Depth: 12.6km

M3.2 – 15km NNW of Chandler, Oklahoma
Time: 2014-01-04 21:26:17 UTC
Location: 35.838°N 96.934°W
Depth: 5.0km

M 4.9 – Kuril Islands
Time: 2014-01-04 16:10:17 UTC
Location: 47.252°N 153.014°E
Depth: 51.5km

M 4.7 – 157km ENE of Hachijo-jima, Japan
Time: 2014-01-04 18:12:20 UTC
Location: 33.757°N 141.288°E
Depth: 36.8km

[Source: USGS/EHP]

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Galeras volcano erupts, 8,000 evacuated

Posted by feww on January 3, 2010

Galeras volcano on  the Colombia border with Ecuador erupted Saturday

The tephra eruption prompted authorities to evacuated the usual 8,000 residents from the hazard zones near the volcano.


Galeras volcano photo taken during an episode of unrest on December 12, 2009. Credit: Ingeominas


Galeras seen in this aerial photo (Undated). Source: Alaska Earthquake Information center. Image may be subject to copyright.

Currently the most active volcano in Colombia, the 4,276-meter-high volcano’s first historical eruption occurred on December 7, 1580. The volcano resumed activity in 1988 after 10 years of dormancy. It erupted in 1993, killing nine people, three tourists and six scientists who had descended into the volcano’s crater to conduct tests.

There were no reported casualties after Saturday eruption.

In June 2009 FEWW forecast that

Galeras could erupt continually throughout 2009  and most of 2010

AND it hasn’t disappointed yet!

Eight of Colombia’s 15 volcanoes have erupted in the last 100 years, and three of them since 1990: Galeras, Nevado del Huila, and Nevado del Ruiz.

An explosive eruption ruptured the summit of Nevado del Ruiz on November 13, 1985, spewing about 20 million cubic meters of volcanic ash and rocks into the air. Forty-meter thick lahars traveling at velocities of up to 50 kilometers per hour destroyed the town of Armero 74 km away from the explosion crater, killing more than 23,000 people. [Source: USGS]

Galeras activity in 2009

  • 14 February 19:11 an eruption spewed ash SO2 and other and volcanic gases. (Red Alert, Level I). [Pasto was covered in ash, 8,000 people evacuated.]
  • 20 February 07:05 spewed ashes. (Red Alert,  Level I).
  • 12 March 19:30, and 13 March 15:55 explosions were recorded (Orange Alert, Level II ).
  • 13 March 15:55, eruption occurred spewing gas and hot ashes at 16:34 further emission was recorded. (Orange Alert, Level II).
  • 24 April 07:32, two explosions were recorded. (Orange Alert, Level II).
  • 29 April monitors recorded increase in seismic activity. (Orange Alert, Level II).
  • 11 May 11:58, tectonic venting. (Orange Alert, Level II).
  • 17 May 21:40, seismic activity recorded. (Orange Alert, Level II).
  • 11 December 2001 Galeras Alert Level Raised to “Orange”

For other episodes see:

For more information see:

Related Links:

Posted in Colombia volcanoes, Galeras activity, Galeras Erupts, Galeras Volcano, volcano | Tagged: , , , , , | 1 Comment »

VolcanoWatch Weekly [7 October 2009]

Posted by feww on October 9, 2009

VOW:  Ambrym

Destructive acid rain caused by eruption

According to press reports, an eruption from Benbow Crater occurred on 10 February [1979.]  Gases from the eruption caused acid rainfall on the SW portion of Ambrym Island, destroying most vegetation within 24 hours, contaminating water supplies, and burning some inhabitants. Jean-Luc Saos, Director of Mineral Resources for the New Hebrides government, reported a high concentration of HCl and sulfur compounds in the volcanic gases. Although heavy ashfalls have occurred in the area in the past, this is the first report of acid rains. More …


View of the Marum cone at Ambrym looking SW, 7 June 2007. Incandescence from the active lava lakes can be seen reflected in the clouds (left). Courtesy of Steven Clegg.


Lava lake inside Mbwelesu crater within Marum cone at Ambrym, 7 June 2007. Courtesy of Steven Clegg.

vanuatu_amo_2009279
A hazy layer of vog—volcanic fog—overlies Malekula and a few other islands of the Vanuatu archipelago in this natural-color satellite image. The source of the vog is Ambrym, a volcano in the southeast (lower right) corner of this scene. The haze extends over the Coral Sea several hundred kilometers to the northwest. Ambrym emits sulfur dioxide—the gas responsible for the formation of vog— intermittently. (Kilauea Volcano has recently affected the residents of Hawaii with similar vog emissions.)  The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Aqua satellite acquired this natural-color image on October 6, 2009. [Large earthquake measuring up to 8.2 Mw struck Vanuatu region  on October 7, 2009 at 22:03 UTC. FEWW]
NASA image by Jeff Schmaltz, MODIS Rapid Response, NASA Goddard Space Flight Center. The Rapid Response Team provides twice-daily images of this region. Caption by Robert Simmon.

Vanuatu.A2004278.2300.250m
Ash plume from Ambrym Volcano, Vanuatu October 4, 2004, 23:00 UTC.  Source: NASA/MODIS Rapid Response System.


View into the Mbwelesu crater on the Marum cone at Ambrym, captured 7 September 2008. Lava can be seen through two gaps in the crusted-over lava lake (enlarged insets). Courtesy of Arnold Binas.


Ambrym, a large basaltic volcano with a 12-km-wide caldera, is one of the most active volcanoes of the New Hebrides arc. A thick, almost exclusively pyroclastic sequence, initially dacitic, then basaltic, overlies lava flows of a pre-caldera shield volcano. The caldera was formed during a major plinian eruption with dacitic pyroclastic flows about 1900 years ago. Post-caldera eruptions, primarily from Marum and Benbow cones, have partially filled the caldera floor and produced lava flows that ponded on the caldera floor or overflowed through gaps in the caldera rim. Post-caldera eruptions have also formed a series of scoria cones and maars along a fissure system oriented ENE-WSW. Eruptions have apparently occurred almost yearly during historical time from cones within the caldera or from flank vents. However, from 1850 to 1950, reporting was mostly limited to extra-caldera eruptions that would have affected local populations. Caption: GVP

Ambtym
Country: Vanuatu
Subregion Name: Vanuatu
Volcano Number: 0507-04=
Volcano Type: Pyroclastic shield
Volcano Status: Historical
Last Known Eruption: 2009
Summit Elevation: 1334 m 4,377 feet
Latitude: 16.25°S 16°15’0″S
Longitude: 168.12°E 168°7’0″E

SI /USGS Weekly Volcanic Activity Report
(30 September – 6 October 2009)

New activity/Unrest:

News From GVP:

On 29 September, people living in Chaitén town, 10 km SW of Chaitén’s Domo Nuevo 1 (Phase I) and Domo Nuevo 2 (Phase II) lava-dome complex, noticed that the eruption column was larger. Scientists conducted an overflight and saw a third lava dome (Phase III) in the SW area of the complex, which had filled up a depression left by a collapse on 19 February.

According to news articles from 2 October, increased seismicity at Gaua was detected during the previous two weeks. Villagers living nearby reported ashfall and sulfur odors.

An explosive eruption from Galeras on 30 September prompted INGEOMINAS to raise the Alert Level. An ash plume rose to an approximate altitude of 12.3 km (40,400 ft) a.s.l. and drifted E, then N. —GVP

Ongoing Activity:

Related Links:

FEWW Volcanic Activity Forecast

Other Related Links:

Recent Posts on Chaitén:

Posted in California volcanoes, ecuador, FEWW Volcanic Activity Forecast, Hawaii, island of Java, Kīlauea, Langila, Mexico, New Britain, Popocatépetl, Rabaul, Reventador, Sangay, volcanic hazard, volcanism, volcano services, volcanoes | Tagged: , , , , , , , , , , , , , , , , , , | 1 Comment »

Galeras Volcano Erupts Twice in 24 Hrs

Posted by feww on June 9, 2009

NO Early Rest for Furious Galeras!

Galeras could erupt continually throughout 2009  and most of 2010 [FEWW]

Colombia’s Galeras volcano erupted twice in 24 hours, covering nearby villages in a blanket of volcanic ash.


Galeras Volcano. Photo source: Colombia Report. Image may be subject  to copyright.


Galeras seen in this aerial photo (Undated). Source: Alaska Earthquake Information center. Image may be subject to copyright.

“An eruption of explosive nature has been registered,” the national geological institute Ingeominas said.

Although the earlier eruption on Sunday caused no damage, the authorities ordered 8,000 residents to evacuate the surrounding villages.

The second explosion on Monday was the 8th eruption one this year to shake the volcano, which is located in the Colombian department of Nariño near the town of  Pasto, and close to the Ecuadorean border.

Currently the most active volcano in Colombia, the 4,276-meter-high volcano’s first historical eruption occurred on December 7, 1580. The volcano resumed activity in 1988 after 10 years of dormancy. It erupted in 1993, killing nine people, three tourists and six scientists who had descended into the volcano’s crater to conduct tests.

galeras from Pasto stan williams
Galeras from Pasto (1993?). Photo by Stan Williams. Image may be subject to copyright.

Galeras activity in 2009

  • 14 February 19:11 an eruption spewed ash SO2 and other and volcanic gases. (Red Alert, Level I). [Pasto was covered in ash, 8,000 people evacuated.]
  • 20 February 07:05 spewed ashes. (Red Alert,  Level I).
  • 12 March 19:30, and 13 March 15:55 explosions were recorded (Orange Alert, Level II ).
  • 13 March 15:55, eruption occurred spewing gas and hot ashes at 16:34 further emission was recorded. (Orange Alert, Level II).
  • 24 April 07:32, two explosions were recorded. (Orange Alert, Level II).
  • 29 April monitors recorded increase in seismic activity. (Orange Alert, Level II).
  • 11 May 11:58, tectonic venting. (Orange Alert, Level II).
  • 17 May 21:40, seismic activity recorded. (Orange Alert, Level II).

Eight of Colombia’s 15 volcanoes have erupted in the last 100 years, and three of them since 1990: Galeras, Nevado del Huila, and Nevado del Ruiz.

An explosive eruption ruptured the summit of Nevado del Ruiz on November 13, 1985, spewing about 20 million cubic meters of volcanic ash and rocks into the air. Forty-meter thick lahars traveling at velocities of up to 50 kilometers per hour destroyed the town of Armero 74 km away from the explosion crater, killing more than 23,000 people. [Source: USGS]

Related Links:

Posted in Explosive Eruption, Nevado del Huila, Nevado del Ruiz, volcanism, volcanoes | Tagged: , , , , | 3 Comments »

Galeras Volcano Erupts Again

Posted by feww on April 26, 2009

Colombia’s Galeras Erupts Again!


The Galeras volcano located south of Colombia’s Nariño department (state) erupted again Friday. Photo: Colombia Reports. Image may be subject to copyright.

The Galeras volcano located south of Colombia’s Nariño department (state) erupted again Friday night (local time), prompting the local authorities to raise the alert level to red. Seismic activities were detected at the the volcano shortly after the volcano erupted, Colombia Reports said.

An evacuation order was issued for the people people living near the volcano, however, only about  200 heeded the order.

No casualties have been reported.

More details would follow, if the activity continues.

Related Links:

    Other Environmental News from Colombia:

    Posted in ashfall, evacuation order, Friday eruption, Galeras, volcanic eruption | Tagged: , , , , | Leave a Comment »

    Galeras Erupts Again!

    Posted by feww on February 15, 2009

    Galeras forceful eruption prompts evacuation

    Galeras, a stratovolcano, located near the regional capital city of Pasto in southwest Colombia and close to the border with Ecuador, erupted again on Saturday, prompting the authorities to issue a “red alert” for the area. An evacuation order was issued for about 8,000 people who live in the vicinity of the volcano.


    Galeras, seen from the city of Pasto.  Credit: Henry Ernesto Escobar Meneses

    The Colombia Institute for Geology and Mines said the blast occurred at about 12:10 UTC Sunday. No fatalities or injuries were reported.

    According to the local government  “large amount of ash” was falling on Pasto.

    The 4,270-meter volcano has been an active volcano for about a million years and is considered the most active volcano in Colombia. In 1991 it was designated a Decade Volcano due to its proximity to the city of Pasto.


    Galeras is seen here from the south on March 17, 1989, with steam clouds pouring from vents on the large central cone near the back headwall of the caldera, whose south rim forms the ridge in the foreground. Major explosive eruptions since the mid Holocene have produced widespread tephra deposits and pyroclastic flows that swept all but the southern flanks.  Photo by Norm Banks (U.S. Geological Survey). Caption: GVP.

    On January 14, 1993, during a Decade Volcano conference in Pasto, a group of unfortunate scientists launched an impromptu expedition to the volcano’s crater. Shortly after their arrival, Galeras erupted killing six scientists and three others.

    In the 20th century Galeras underwent several episodes of unrest including those in December of 1923, October of 1924, October of 1932, February of 1936, July of 1947, January of 1950, February 1974, February of 1989, January of 1990, January of 1993, March of 2000, June of 2002, July of 2004, November of 2005, October of 2007, and several episodes in 2008 and 2009.

    UPDATE: February 20, 2009


    Authorities in the south of Colombia are on high alert after the Galeras volcano Friday erupted again. Colombia Reports. Image may be subject to copyright.

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    Words: 300; images: 2; links: 2

    Posted in Complex volcano, Decade Volcano, ecuador, Holocene, Urcunina | Tagged: , , , , | 3 Comments »

    Floods leave 2.5% of Colombia’s population homeless

    Posted by feww on December 16, 2008

    Colombia’s Rainy Season Won’t Go Away!

    1 million people in 27 of Colombia’s 32 districts have been left homeless since mid-September

    At least 50,000 people in northern Colombia were left homeless Monday [Dec 15, 2008] after towns and villages were flooded by Magdalena River which broke through its dikes.

    In the town of Plato, 4,000 structures were flooded, and 50 houses were washed away, leaving 40,000 people homeless. Water reportedly reached the rooftops of many homes.

    “Everything is collapsing — the economic system, the health system, public services,” Mayor Jose Rosales Cortina told reporters.

    “We need help,” one anguished woman said on the newscast. “Don’t you see that the town is totally flooded? We don’t have anything in this town. No one helps us here.”

    “The water roared. It roared,” said a resident. “The current took you away. You couldn’t hold onto anything. It took away eight houses here.”

    “The furniture, the bed, the television, everything is under water,” another resident said.

    The Colombian Civil Defense said about 1 million people [2.5% of Colombia’s 44.6 million population] have been left homeless since mid-September, the beginning of Colombia’s rainy season, which has lasted longer than usual.

    Officials also said flooding has killed 67 people and injured 94 this year, with 18 people missing in 27 departments. Colombia has 32 Departments, or official administrative districts.

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    Posted in Bolivar, El Tiempo, Plato, Regidor, Valle de Cauca | Tagged: , , , , | 1 Comment »

    Landslides continue wreaking havoc in Colombia, Indonesia…

    Posted by feww on December 12, 2008

    Colombia devastated by heavy rain worsened by indiscriminate deforestation

    “The problem is not nature; nature is not deliberately out to get anyone” —Meteorologist

    Colombia’s rainy season has already seen 600 disasters caused by gale-force winds and heavy rainfall. Rivers have burst their banks, and landslides and avalanches of all kinds have occurred, said meteorologist Max Henríquez.

    The rainy season began in September and normally continues to mid-December, because of La Niña. “Throughout 2007 and for several months this year we have experienced this climate phenomenon, caused by the cooling of the surface waters in the Pacific ocean, which brings above normal rainfall,” he said.

    The National Disaster Prevention and Response System (SNPAD) reported 50 people killed, 85 injured, nine missing and 735,000 left homeless as a result of the flooding and landslide.

    “The problem is not nature; nature is not deliberately out to get anyone, as some people think. Human beings are the problem, because we don’t do the right things,” Henríquez said.

    “Cutting down trees in the river basins means that the rains are not contained, but sweep down rapidly into streams and rivers, which rise and overflow. Deforestation causes problems by accelerating the water cycle on land,” he said.

    Who is responsible for Colombia’s deforestation?

    It seems just about everyone! The expert believes those responsible for uncontrolled deforestation include

    • Coca farmers
    • Home builders  (building luxury 2nd homes in the forests)
    • Campesinos, or small farmers who fell trees for firewood
    • Carpenters who use illegally logged trees to make furniture
    • Especially, cattle ranchers extending their pasture lands

    “Sixty percent of deforestation in Colombia is due to cattle ranching,” the meteorologist said. The additional demand for agricultural land has resulted in the loss of 312,000 hectares of forests since about 1990, while illegal crops like coca and opium poppies have invaded another 30,000 hectares.

    “‘The relatively young geological age of the Andes mountain chain’ is also a factor in disasters, with its propensity to volcanic eruptions and earthquakes, and so is poverty, as people with no other options settle in places unsuitable for habitation, and the ambition and greed of construction firms that do not carry out the necessary studies and build in an irresponsible manner.”  IPS reported.

    In El Poblado, Medellín’s most exclusive district, a landslide buried 10 people and six houses under 65,000 cubic meter of earth on Nov. 16, 2008.

    Many of Colombia’s cities are built on unstable soil. Those include “Manizales, the capital of the central province of Caldas, Armenia, the capital of nearby Quindío province, and even Bogotá,” Henríquez said. The risks are ever-increasing, “although they would diminish if the proper controls were in place,” he said.

    Botanist Jesús Orlando Rangel, of the National University of Colombia’s Institute of Science, estimates that Colombia is losing 598,000 hectares of forest every year.
    putting 500 species under threat. The Alexander von Humboldt Institute, however, estimates the endangered plants at
    2,500 species.

    “Species unique to the high altitude grasslands are also suffering harm, such as flowering bushes and spongy mosses which grow only one centimetre a year. This vital but fragile ecosystem is being encroached on by coal mining, potato growing and cattle grazing. ”

    “The situation is terrible for any country, but more so for Colombia, which possibly has the richest biodiversity in the world, but the government doesn’t take proper preservation measures,” Rangel said.

    “The National University’s Institute of Science has been working for over 60 years, without resources and with great difficulties, but all the Environment Ministry does is repeat our work, instead of devoting itself to compiling the information and enforcing regulations. It omits the most important thing, which is monitoring,” the expert said.

    Landslide buries affluent estate north of Kuala Lumpur, Malaysia

    Landslide in an affluent hillside suburb north of Kuala Lumpur, Malaysia’s largest city killed four people, injuring at least 15 more with one person, a Sri Lankan maid, reported missing. The land slide reportedly buried several housing states destroying dozens of homes, and forcing thousands of people to flee. Source


    Soldiers help survivors of a landslide in Kuala Lumpur December 7, 2008. A landslide killed four people in a suburb of the Malaysian capital early on Saturday, tearing down houses and forcing the evacuation of thousands of people, police and local media said. REUTERS/Zainal Abd Halim (MALAYSIA). Image may be subject to copyright.

    More than 15,000 people flee homes after floods in Aceh, Indonesia

    More than 15,000 people have escaped their homes Thursday, as consecutive days of torrential rains caused floods in southern parts of Aceh province, according to local authorities. The rains caused the overflowing of some riverbanks, submerging 3,532 houses since Dec. 5.  Xinhua reported.

    Head of Indonesian Health Ministry’s crisis center said that the rain had also caused some landslides in the area, but no casualties have yet been reported. Indonesia has been frequently hit by floods and landslide due to deforestation. Illegal logging and land use change, clearing forests  to  plant crops, especially for biofuel, are responsible forthe deforestation.

    Aceh tsunami in December 2004 claimed at least 170,000 lives. detailed map of Indonesia. PDF file

    Landslide buried at least 15 people in Indonesia: Red Cross

    Rescue crews have recovered five bodies, and 10 people remain missing, said Heri Hidayat, a Red Cross coordinator. The landslide happened in Cianjur, a town in the province of West Java, after days of torrential rain. Mud buried about 54 houses, and authorities have evacuated 351 people. Source

    Since January 2008, floods and landslides have killed several thousand people, destroyed thousands of homes, displacing more than a million people.

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    Posted in Andes mountain chain, Armenia, cattle ranching, Medellín, mudslides | Tagged: , , , , | Leave a Comment »

    Colombian Town Hit by Earthquake

    Posted by feww on May 26, 2008

    A Shrinking World Series

    Is it Safe?

    At least 11 people died and 54 were injured when a 5.6-magnitude earthquake struck about 50 km East Southeast of Colombian capital, Bogota. About 5,000 people have been affected by damaged structures, Red Cross said.

    Panicked residents in the rural town of Quetame, the most seriously hit area, spent the night in the town’s football field. The quake damaged water supplies destroying houses and the local church.

    A 6.2-magnitude quake, which struck Colombia in 1999, killed about 1,500 and left more than a quarter of a million people homeless.

    A man walks past the wreckages of cars damaged in a landslide near Quetame May 25, 2008. Dozens of families evacuated the middle town after a shallow earthquake measuring 5.6 magnitude hit central Colombia on Saturday. REUTERS/Carlos Duran [Image may be subject to copyright. See FEWW Fair Use Notice!]

    Quake Data [USGS]

    • Magnitude: 5.6
    • Date-Time: Saturday, May 24, 2008 at 19:20:47 UTC
      Saturday, May 24, 2008 at 02:20:47 PM at epicenter
    • Location: 4.447°N, 73.670°W
    • Depth: 35 km (21.7 miles) set by location program
    • Region: COLOMBIA
    • Distances: 35 km (20 miles) N of Villavicencio, Colombia
      50 km (30 miles) ESE of BOGOTA, Colombia
      125 km (75 miles) SSW of Tunja, Colombia
      125 km (80 miles) E of Girardot, Colombia
    • Location Uncertainty: horizontal +/- 4.8 km (3.0 miles);

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    cqd

    Posted in Climate Change, energy, environment, food, health, politics, Tourism, Travel | Tagged: , , , , , , | Leave a Comment »