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Posts Tagged ‘volcano alert’

Bogoslof Volcano Erupts

Posted by feww on July 10, 2017

KT-623D

Bogoslof Explodes: Volcano Alert Level Raised to WARNING, Aviation Color Code to RED

AVO/USGS Volcanic Activity Notice
Volcano: Bogoslof (VNUM #311300)
Current Volcano Alert Level: WARNING
Previous Volcano Alert Level: WATCH
Current Aviation Color Code: RED
Previous Aviation Color Code: ORANGE

Issued: Monday, July 10, 2017, 12:51 AM AKDT
Source: Alaska Volcano Observatory
Location: N 53 deg 55 min W 168 deg 2 min
Elevation: 492 ft (150 m)
Area: Aleutians

Volcanic Activity Summary: An eruption began at Bogoslof volcano at 07:47 UTC on July 9 (23:47 AKDT on July 9) lasting about 5 minutes followed 15 minutes later by a second explosion that lasted about 7 minutes. A small ash cloud has been detected in satellite data. Winds are towards the southeast. The Aviation Color Code is upgraded to RED and the Volcano Alert Level to WARNING. Ash trajectory models indicate that a possible trace ash fall could occur on Unalaska, but unlikely to affect Dutch Harbor.  https://www.avo.alaska.edu/

Nearby towns:

  • Unalaska 61 mi (98 km) SE
  • Nikolski 76 mi (123 km) SW
  • Akutan 93 mi (149 km) NE
  • Saint George 194 mi (312 km) NW
  • Anchorage 835 mi (1,343 km) NE

Cleveland Volcano
Color Code ORANGE / Alert Level WATCH

Pavlof Volcano
Color Code YELLOW / Alert Level ADVISORY

Hawaii Volcanoes

Kilauea Volcano
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

  • FIRE-EARTH Ref:  LMP7
  • FIRE-EARTH Science Team’s July VolcanoWatch Report is available via FEPS.

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FIRE-EARTH Volcano Alert: TGN3

Posted by feww on February 28, 2017

  • CJ Members
  • EAC
  • OC Teams

FIRE-EARTH Volcano Alert: TGN3

  • Details are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: SDL1

Posted by feww on January 11, 2017

  • CJ Members
  • EAC
  • OC Teams

FIRE-EARTH Volcano Alert: SDL1

  • Details are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: KZL2

Posted by feww on January 10, 2017

  • CJ Members
  • EAC
  • OC Teams

FIRE-EARTH Volcano Alert: KZL2

  • Analysis and forecast are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: TGN2

Posted by feww on December 30, 2016

  • CJ Members
  • EAC
  • OC Teams

FIRE-EARTH Volcano Alert: TGN2

  • Details are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: CLB3

Posted by feww on December 28, 2016

  • CJ Members
  • EAC
  • OC Teams

FIRE-EARTH Volcano Alert: CLB3

  • Details of the Alert are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: WHP3

Posted by feww on December 17, 2016

CJ Members

FIRE-EARTH Volcano Alert: WHP3

  • Details of the Alert are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: GHB3

Posted by feww on December 7, 2016

CJ Members

FIRE-EARTH Volcano Alert: GHB3

  • Details of the Alert are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: NRF2

Posted by feww on December 4, 2016

CJ Members

FIRE-EARTH Volcano Alert: NRF2

  • Details of the Alert are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: NRF3

Posted by feww on December 3, 2016

CJ Members

FIRE-EARTH Volcano Alert: NRF3

  • Details of the Alert are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Volcano Alert: GNB6

Posted by feww on October 30, 2016

CJ Members

FIRE-EARTH Volcano Alert: GNB6

  • Details of the Alert are available from FIRE-EARTH PULSARS.

 

 

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FIRE-EARTH Alert: Mt ASO Erupts

Posted by feww on October 8, 2016

CJ Members

FIRE-EARTH Report: A Look Inside the Engine of Mt ASO

[Prepared by FIRE-EARTH Science Team]

  • Details of the report are available from FIRE-EARTH PULSARS.

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Fire-Earth Volcano Alert: MDR5

Posted by feww on September 23, 2016

CJ Members

FIRE-EARTH Volcano Alert: MDR5

  • Details of the Alert are available from FIRE-EARTH AQUAMARINE BEACONS.

 

 

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Fire-Earth Volcano Alert: RSP4

Posted by feww on September 6, 2016

CJ Members

FIRE-EARTH Volcano Alert: RSP4

  • Details of the Alert are available from FIRE-EARTH AQUAMARINE BEACONS.

 

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Klyuchevskoy Volcano Erupts Explosively

Posted by feww on June 14, 2016

Klyuchevskoy ejects column of ash 6-8 kilometers a.s.l.

The latest eruption, detected Tuesday morning, saw the ash column rising 6-8 kilometers into the air. The plume stretched for 47 kilometers to the west of the volcano, Russia’s Institute of Volcanology and Seismology FEB RAS (KVERT) reported.

  • Aviation Color Code: ORANGE
  • Current State: Ash plume extended 47 km to the west from the volcano.
  • Danger Prognosis for Aviation: Explosive eruption of the volcano continues. Ash explosions up to 19,700-26,240 ft (6-8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
  • Volcanic cloud height: 16400-19680 ft (5000-6000 m) AMSL Time and method of ash plume/cloud height determination: 20160613/2209Z – Video data
  • Other volcanic cloud information: Distance of ash plume/cloud of the volcano: 29 mi (47 km)
  • Direction of drift of ash plume/cloud of the volcano: W / azimuth 274 deg
  • Time and method of ash plume/cloud determination: 20160613/2129Z – NOAA 18 (4m5)

The 4,750m volcano in Russia’s Kamchatka peninsula has been continuously active for the past five decades, with the number of tremors and ash eruptions notably rising recently.

latest_Klyu 2
Klyuchevskoy Volcano. Location 56°3’20″N, 160°38’31″E; Elevation 4,750m. View from F.Yu. Levinson-Lessing Kamchatkan Volcanological Station (Klyuchi village, 30 km to the north-north-east from the volcano). Click image to update. © Webcam of IVS FEB RAS [See Fair Use Notice.]

Kamchatka and the Northern Kuriles Volcanoes: Erupting or Restless

Kamchatka N Kuriles volcanoes - Erupting or Restless
Source: KVERT

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Turrialba Volcano Explodes Again

Posted by feww on May 13, 2016

Costa Rica’s Turrialba Volcano Erupts

Volcanologists at the University of Costa Rica have reported a large explosion at Turrialba Volcano, which occurred in the early hours of Thursday local time.

The powerful eruption ejected ash to a height of about 3 kilometers above the volcano’s summit, according to the Volcanological and Seismological Observatory of Costa Rica (OVSICORI).

“It was a single explosion but a really strong one. This means that there was high pressure inside the volcano,” said a volcanologist at OVSICORI.

The ashfall forced the closure of Tobías Bolaños Airport, in western San José, local media reported.

The 3,340-meter-high volcano is located about 65km northeast of the capital, San Jose.

In October 2014, authorities in Costa Rica evacuated nearby residents after Turrialba’s largest eruption in 148 years. Large areas of San Jose, La Union, Cartago, Santo Domingo and Heredia provinces, located as far as 50km from the crater, reported volcanic ash and strong sulfur odors.

 


Camera located in the crater of the Turrialba volcano, about 600 meters east of the active crater (looking west). The image is refreshed every 10 seconds. Source: Instituto Meteorológico Nacional.


Turrialba Volcano, file image. Source: Instituto Meteorológico Nacional.

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Significant Earthquakes Strike Reykjanes Ridge, Tibet, New Zealand

Posted by feww on May 11, 2016

M5.0 quake strikes Bight Fracture Zone, Reykjanes Ridge

EQ Details
Magnitude 5.0 [USGS/EHP]
Location: 57.627°N 32.866°W
Time: 2016-05-10 17:21:02UTC
Depth: 23.6km
Distances:

  • 765.0 km (475.3 mi) ESE of Nanortalik, Greenland
  • 935.0 km (581.0 mi) SW of Reykjavik, Iceland

M5.5 quake strike  NW of Gyamotang, China (TAR)

Magnitude: 5.5Mw [USGS/EHP]
Location: 32.038°N 94.987°E
Depth: 10.0 km
Time: 2016-05-11 01:15:47UTC
Distances:

  • 70.0 km (43.5 mi) NW of Gyamotang, China
  • 233.0 km (144.8 mi) WNW of Qamdo, China
  • 429.0 km (266.6 mi) N of Along, India
  • 723.0 km (449.3 mi) NE of Thimphu, Bhutan

‘Strong’ earthquake strikes 10km SE of Christchurch

Magnitude: 4.7 [geonet]
Location: 43.59°S, 172.70°E  (10km southeast of Christchurch)
Depth: 7km
Universal Time: May 11 2016, 8:45:53

NZ Volcano Alerts
Volcano, Alert Level, Aviation Color Code
Ruapehu, 2, YELLOW
White Island, 1, YELLOW

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Volcano Eruption Alert: Popocatépetl Explodes

Posted by feww on April 5, 2016

Pyroclastic surge from Popocatépetl volcano sets forest alight

Violent eruption at Mexico’s Popocatépetl produced  a Pyroclastic surge climbing 2km above the crater  and setting the nearby forest alight, said Mexico’s National Center for Disaster Prevention (CENPRED ).

The explosion also caused ashfall in the towns of Juan C. Bonilla and Coronango, in the state of Puebla.

Popocatépetl Volcano (“smoking mountain” in Aztec) is North America’s 2nd-highest volcano. The massive stratovolcano stands 5,450m high and lies about 65 kilometers (40 miles)  southeast of  Mexico City (19.023°N, 98.622°W ) in the eastern segment of the Trans-Mexican volcanic belt.


Popocatépetl explodes (image #8). Credit: CENPRED

The following is latest report posted at CENPRED official website:

As of posting,  the volcano exhibited “continuous emission of steam and gas” in easterly direction (image 9), said the report.

April 05 at 11:15 (16:15 GMT)

During the last 24 hours, 96 long period events were registered and five explosions yesterday at 16:44 h (image no. 1) and 20:31 h the latter generated a ash column of 2 km height above the crater, which moved towards the northeast. Likewise, the fall of incandescent fragments were observed, mainly on the east and southeast slopes of the volcano at a distance of 3.5 km, because of this some fires were generated in the upper part of the forest (image 2), (image 3), (image 4), (video 1), (video 2), (video 3). This explosion caused ash fall in the towns of Juan C. Bonilla and Coronango, both in the state of Puebla. The remaining three explosions were recorded today at 06:54, 7:14 and 07:49 h (image 5), (image 6), (image 7), (image 8).

Additional materials: (video 4), (video 5), (figure 10), (figure 11), (figure 12).

CENAPRED emphasizes that people SHOULD NOT go near the volcano, especially near the crater, due to the hazard caused by ballistic fragments (image 13).

This type of activity is included within the scenarios Volcanic Traffic Light Yellow Phase 2.

The scenarios forecast for this phase are:

1. Explosive activity of low to intermediate level.

2. Ash fall in nearby towns.

3. Possibility of short range pyroclastic flows and mudflows .

Special emphasis is placed on the following recommendations: Continue the safety radius of 12 km, so staying in that area is not allowed.

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Chaparrastique Spews More Ash, Volcanic Gases

Posted by feww on December 31, 2013

Chaparrastique Volcano in Eastern El Salvador is Still Spewing Ash and Volcanic Gases

Up to 5,000 people live near the volcano, and the authorities have so far evacuated more than 1,600 to emergency shelters, but many have refused to leave their homes on the volcano slopes.

“The Chaparrastique volcano is still producing gases combined with small emissions of ash, which is normal after an eruption,” said  El Salvador’s environment ministry.

The 2,130-m high volcano,  El Salvador’s third highest, ejected columns of smoke and ash up to 5km above the summit on Sunday

Chaparrastique, aka San Miguel volcano, located about 15km SW of San Miguel city (population: 180,000), and about 140 km east of San Salvador, the capital, showed signs of increased activity on December 13.

The eruption has so far deposited more than 10cm of ash in the nearby areas within the coffee-producing region, according to reports.

chaparistique - Elsalvador-dotcom
Latest image of Chaparistique Eruption. Source: El-Salvador.com

ash from san migul eruption on coffee plants
 Chaparistique eruption deposits volcanic ash on coffee plants. Source: El-Salvador.com

El Salvador

El Salvador sits along the Pacific Ring of Fire, close to Middle America Trench, and is subject to significant tectonic movement, causing frequent earthquakes and volcanic activity. The tiny country (population: 6.3 million) is home to at least 23 volcanoes.

Middle America Trench

A major subduction zone known for many large earthquakes, the Middle America Trench is a 2,800-km long oceanic trench in the eastern Pacific Ocean, extending from central Mexico to Costa Rica. The trench is the boundary between five tectonic plates, including the Caribbean, Cocos (and Rivera), Nazca, the North American and the South American plates.

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22 Indonesian Volcanoes Remain on High Alerts

Posted by feww on November 16, 2013

5 Indonesian volcanoes remain on the 2nd highest state of alert, “orange,” 17 others on “yellow”

The alerts follow the latest eruption at Mt Sinabung, which saw the volcano ejecting ash to a height of about 7 km above the summit, forcing the authorities to evacuate about  5,600 people in several villages, according to Indonesia’s Center for Volcanology and Geological Disaster Mitigation (PVMBG).

Indonesian authorities have established a 3-km exclusion zone near the volcano following the Tuesday eruption for the second time in 9 days.

PVMBG had issued a “level three,” or “orange alert,” recommending villagers to stay out of the 3-km danger zone on November 3, 2013, followed by a 7-day state of emergency declared by the local authorities.

The explosive activity follows a series of most recent eruptions exhibited by the 2,460-meter high volcano that began in September 2013, leading to a significant eruption on October 24, which saw the volcano spewing smoke and ash to a height of about 3km above the crater summit, followed by other eruptions, especially the explosive eruption that occurred on Sunday, November 3.

Mt Sinabung is one of 130 or so active volcanoes in the Indonesian archipelago, whose 18,307 islands (922 of the islands are permanently inhabited) straddle the Pacific Ring of Fire (PRF).

PRF, aka the circum-Pacific seismic belt, is home to 452 volcanoes, or more than 75% of the world’s active and dormant volcanoes.

About 90% of the global seismicity and 82% of the largest quakes occur along PRF  [FIRE-EARTH data.]

mt sinabung
Mt Sinabung erupted explosively again on November 12, 2013 for a second time in 9 days. Image credit: CRIonLine via Xinhua. More images…

Mount Sinabung -ANTARA
Mount Sinabung spewing volcanic ashes as seen from Simpang Empat Village in Karo, North Sumatera (September 15, 2013). Credit:  ANTARA/Septianda Perdana.

Mt Sinabung erupted in August 2010 after 410 years of dormancy. The eruption claimed a dozen lives and displaced thousands of others. The eruption which occurred on August 29, 2010 was followed by a more powerful explosion the next day, and much stronger blast on September 7, 2010.

Sinabung spewed ash to a height of about 2km in its second eruption in two days on August 30, 2010.


Mount Sinabung volcano spews smoke in Suka Nalu village in the district of Tanah Karo, in Indonesia’s North Sumatra province August 30, 2010. The Indonesian volcano that erupted for the first time in centuries on Sunday spewed fresh plumes of smoke early on Monday morning, causing panic in nearby villages and delaying local flights, officials said on Monday.  Credit: Reuters/Tarmizy Harva. Image may be subject to copyright.  More photos …


Approximate location of Sinabung is marked  on the map by FEWW.
Mount Sinabung is one of Indonesia’s 130  active volcanoes

Sinabung Volcano: Summary of Details

Country: Indonesia
Region: Sumatra
Volcano Type: Stratovolcano
Volcano Status: Holocene
Last Known Eruption: Unknown [1600?]
Summit Elevation: 2,460
m
Latitude: 3.17°N
Longitude: 98.392°E
Source: GVP

Sinabung is located in Group K Volcanoes


Map of Volcanoes.
Background Map: University of Michigan. Designed and enhanced by Fire Earth Blog. Click image to enlarge.

The PVMBG categorizes Sinabung as a type A volcano, or those that have erupted since 1600. Type B volcanoes have not erupted since 1600 but show signs of activity, and type C are those that have not erupted in recorded history.


Mount Sinabung ejected tephra into the air as seen from Tanah Karo, North Sumatra, Indonesia, Friday, Sept. 3, 2010. (AP Photo/Dedy Zulkifli). Image may be subject to copyright.

Indonesian Volcanoes

Indonesian Volcanoes have been responsible for a number of cataclysmic explosions in modern history.

Krakatoa [Krakatau] Cataclysmic Eruption 1883

ashcroft -riv thames
William Ashcroft painting “On the Banks of the River Thames” in London, November 26, 1883 [Exactly three months after Krakatoa’s cataclysmic 1883 eruption.]

The Krakatoa eruption affected the climate driving the weather patterns wild for the next 5 years. Average global temperatures fell by about 1.2 °C in the following years, returning to normal only in 1888.

The eruption ejected about 21 cubic kilometers of volcanic matter and destroyed two-thirds of the Krakatoa island. The explosion also spawned giant tsunamis killing an estimated 40,000 people.

Karakatoa
An 1888 lithograph of the 1883 violent explosion of Krakatau.

Based on their models, our colleagues at EDRO forecast that the collapse of Singapore may occur as a result of volcanic activity on the island of Sumatra. However, they have not disclosed any further detail.

Indonesia Volcano Alerts

PVMBG has placed five volcanoes on the second highest level of activity “Level III, Orange Alert,” and 17 others on  third highest alert level “Level II, Yellow Alert.” Following table shows the alert level designations, as of November 16, 2013.

indonesia volcano alerts 3nov13 -fire-earth-blog
Indonesia Volcano Alerts as of November 16, 2013. Source: PVMBG. Image enhanced by FIRE-EARTH Blog.

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Kilauea Volcano: Latest Status Report

Posted by feww on May 14, 2009

HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE

Wednesday, May 13, 2009 7:43 AM HST (Wednesday, May 13, 2009 17:43 UTC)

This report was prepared by the USGS Hawaiian Volcano Observatory (HVO). Hawai`i Volcanoes National Park status can be found at http://www.nps.gov/havo/ or 985-6000. Hawai`i County Viewing Area status can be found at 961-8093.

KILAUEA VOLCANO (CAVW #1302-01-)
19°25’16” N 155°17’13” W, Summit Elevation 4091 ft (1247 m)
Current Aviation Color Code: ORANGE
Current Volcano Alert Level: WATCH
A new skylight and the Kupapa`u delta continues to build (29 April 2009)


A new skylight provides a view into one of the two major lava tubes on the coastal plain. Although only the incandescent tube walls can be seen in this photo, another vantage point provided a partial view of the flowing lava stream.


The Kupapa`u delta continues to build. This portion of the delta expanded about 30 yards eastward since last week’s field visit. A small lava stream could be seen at the front edge of the delta today, but no littoral explosions were observed. Both images and captions: USGS/ HVO


Arching fountain approximately 10 m high issuing from the western end of the 0740 vents, a series of spatter cones 170 m long, south of Pu‘u Kahaualea. Episodes 2 and 3 were characterized by spatter and cinder cones, such as Pu‘u Halulu, which was 60 m high by episode 3 (photo by J.D. Griggs USGS/ HVO 02/25/83, JG928).
Activity Summary for past 24 hours: Glow from the Halema`uma`u vent continues to be visible. Lava from east rift zone vents continues to flow through tubes to the coast and is entering the ocean at two locations west of Kalapana. Sulfur dioxide emission rates from the Halema`uma`u and Pu`u `O`o vents remain elevated.

Past 24 hours at Kilauea summit: A molten lava pool remains near the base of the cavity deep below the floor of Halema`uma`u Crater and is producing a visible, but decreasing in intensity, glow (recorded by both webcams pointed at it – see our new “Webcams” link at hvo.wr.usgs.gov); the decreasing glow suggests that the surface of the lava pool may be receding.

This morning, the gas plume rises about 600 m (2,000 ft) above the Halema`uma`u Crater rim and moves to the west; GOES-WEST imagery shows the plume continuing to the WNW into the east flank of Mauna Loa where it is diverted southward. Sulfur dioxide emission rates remain elevated and variable; the most recent rate measurement was 1,200 tonnes/day on May 12, compared to the 2003-2007 average rate of 140 tonnes/day. Small amounts of mostly ash-sized tephra continue to be produced consisting mostly of Pele’s hair, irregular pieces of vesicular glass, and a few hollow spherules. Gas-rushing and rockfall sounds were again heard during the morning collection routine.

Tremor levels remain at moderate values. Two earthquake were located beneath the south summit, five on south flank faults, and only one earthquake was located in the area about 4 km (3 mi) northwest of Halema`uma`u Crater. The number of RB2S2BL earthquakes were within background levels.

The Hawaiian Volcano Observatory is one of five volcano observatories within the U.S. Geological Survey and is responsible for monitoring volcanoes and earthquakes in Hawai`i.

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