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Posts Tagged ‘Cleveland’

State of Emergency Declared in OK due to Risk of Bridge Collapse

Posted by feww on February 8, 2014

FAILING INFRASTRUCTURE
STATE OF EMERGENCY

.

Fallin declares State of Emergency after Purcell-Lexington bridge closure

Gov Fallin declared a State of Emergency in Cleveland and McClain counties, Okla., due to the closure of James C. Nance Memorial Bridge.

“The bridge we just went and saw was at risk of collapsing and still is at risk of collapsing,” said Fallin.

The bridge, which facilitates flow of commerce and trade between portions of six counties, was shut down by ODOT on January 31 due to major structural damage. Some 22 cracks were detected in the truss system.

Lexington and Purcell are less than two miles apart. However, since the bridge closure, the 40-mile detour takes about 50 minutes to drive, dramatically increasing commute times and fuel expenses.

“This bridge is a safety hazard and is at risk of collapse,” said Fallin. “Keeping it open would have threatened lives. It had to close. Unfortunately, that has created an economic hardship, not to mention a severe inconvenience, for the people of Lexington and Purcell.”

The bridge is said to be “similar” to the Minnesota I-35W bridge that collapsed in 2007.

Opened in 1938, the 1,110-meter (3,642 ft) long bridge crosses the Canadian River and is one of the longest in the Sooner State. The cost of rebuilding could top $40 million.

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Pavlof Eruption Intensifies

Posted by feww on June 26, 2013

Alaska’s Pavlof Volcano ejects a plume 28,000 feet asl

Pavlof is erupting vigorously, exhibiting strongest seismic activity detected so far this year, characterized by intense, continuous tremor and intermittent explosions suggesting lava fountaining and ash production, Alaska Volcanoes Observatory (AVO) reported.

The wave of intense activity started late on Monday and continued into Tuesday, with trace ash fall reported in the community of King Cove about 30 miles southwest of the volcano.

AVO Daily Update  – Tuesday, June 25, 2013 @ 12:33 PM AKDT (Tuesday, June 25, 2013 @ 20:33 UTC)

PAVLOF VOLCANO (CAVW #1102-03-)
55°25’2″ N 161°53’37” W, Summit Elevation 8261 ft (2,518 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code:   ORANGE
In its daily briefing AVO said:

Vigorous eruptive activity indicated by a distinct increase in seismicity beginning around 6:50 UTC (22:50 AKDT) last evening is continuing. The level of seismicity for the past 11-12 hours has been the strongest seismic activity detected so far during the 2013 eruption of Pavlof Volcano. The seismicity is characterized by intense, continuous tremor and intermittent small explosions that are likely associated with lava fountaining and ash production.

  • A distinct plume extending to the west of the volcano rising as high 28,000 feet above sea level (a.s.l.) according to Satellite data and pilot reports.
  • Satellite imagery also show strong thermal signals at the volcano summit.
  • AVO received a report of trace ash fall on the community of King Cove about 30 miles southwest of the volcano on June 25, 2013.

pavlof 7jun2013
Pavlof volcano, as viewed from Cold Bay on June 7, 2013. Photo credit: Robert Sigurdson, via AVO.

At this level of unrest it is likely that lava fountaining and ash emission are occurring. Lava fountaining is likely producing spatter-fed lava flows that are descending the flanks of the volcano over ice and snow and could be producing substantial steam plumes. These plumes probably contain variable amounts of ash. At the level of unrest observed over the past 11-12 hours, the volcanic plume has not been particularly ash rich; however, this could change if the character of the eruption changes and it remains possible for more robust ash plumes to be generated at any time. AVO is monitoring the eruption closely and will issue further information as it becomes available.

Mount Pavlof, one of the most active volcanoes in the U.S.,  has been erupting since May 13, spewing ash and lava at a low intensity.


Index map showing the location of Pavlof and other Quaternary volcanoes on the Alaskan peninsula. Volcano(es): Alagogshak, Amak, Aniakchak, Basalt of Gertrude Creek, Black Peak, Chiginagak, Cone 3110, Cone 3601, Dana, Denison, Devils Desk, Douglas, Dutton, Fourpeaked, Frosty, Griggs, Iron Trig cone, Kaguyak, Katmai, Kejulik, Kialagvik, Knob 1000, Kukak, Kupreanof, Mageik, Martin, Novarupta, Pavlof, Pavlof Sister, Rainbow River cone, Steller, Stepovak Bay 1, Stepovak Bay 2, Stepovak Bay 3, Stepovak Bay 4, Trident, Ugashik-Peulik, Unnamed (near Ukinrek Maars), Veniaminof, Yantarni. Credit Janet Schaefer/AVO

Veniaminof Volcano Activity [Source: AVO]

Continued volcanic tremors  suggest that the Veniaminof Volcano is still erupting, said AVO. Recent satellite images  show elevated surface temperatures at the intracaldera cone; webcam images from Perryville show a light-colored plume rising above the rim of the intracaldera cone, some 8,200 feet a.s.l.

It is possible for activity at Veniaminof Volcano to increase above its current level at any time and more vigorous ash emissions may result. Sustained periods of volcanic tremor may correspond with continuous ash emission which may not be detected in satellite data, especially if ash plumes remain below 15,000 to 20,000 feet above sea level. Brief bursts of ash emission and small explosions with ash fall limited to areas on the flanks of the volcano are likely to occur while the volcano is at its current level of unrest. A larger explosive episode and associated ash emission is not expected at the current level of unrest; however, this remains possible and would be evident in seismic and satellite data.

Current Volcanic Activity [as of June 26, 2013]

Alaska 

Cleveland YELLOW ADVISORY
Pavlof  ORANGE  WATCH
Veniaminof ORANGE  WATCH

Kamchatka Peninsula

Gorely YELLOW
Karymsky ORANGE
Kizimen ORANGE
Tolbachik ORANGE
Bezymianny YELLOW
Sheveluch ORANGE

Kurile Islands

Chirinkotan YELLOW

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Volcanoes in a Dozen Global Regions Erupting

Posted by feww on May 19, 2013

Angry Pavlof continues to belch out ash, gas and steam

PAVLOF VOLCANO (CAVW #1102-03-)
55°25’2″ N 161°53’37” W, Summit Elevation 8261 ft (2518 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Ash, gas and steam emissions continue at Pavlof Volcano, as  seismic tremors and intense elevated surface temperatures persist, AVO reported.

Pavlof volcano eruption column 18May2013 T-Chesley
Pavlof volcano eruption column, May 18, 2013 (12:00am AKDT). Photo courtesy Theo Chesley/AVO.

Other Alaska Volcanoes

CLEVELAND VOLCANO (CAVW #1101-24-)
52°49’20” N 169°56’42” W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Elevated surface temperatures at the summit of Cleveland Volcano were observed in satellite images Saturday morning AKDT, AVO reported.

Hawaii Volcanoes

KILAUEA VOLCANO (CAVW #1302-01-)
19°25’16” N 155°17’13” W, Summit Elevation 4091 ft (1247 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Activity Summary: At the summit, tiltmeters recorded the start of DI inflationary tilt and the lava lake level rose. At Pu`u `O`o vent in the middle east rift zone, there was no new activity within the crater but the Kahauale`a II lava flow remained active on the north base of the cone. To the southeast, the Peace Day pali flow remained active on the coastal plain while the main flow branch continued to enter the ocean in at least 2 locations spanning the Hawai`i Volcanoes National Park boundary. Gas emissions remained elevated. (HVO)

Recent Observations at the middle east rift zone vents: Only glow was seen from the east lava pond and spatter cones on the crater floor. The tiltmeter on the north flank of Pu`u `O`o cone recorded the start of DI inflationary tilt at 8 pm yesterday. GPS receivers on the north rim and south base of Pu`u `O`o cone recorded neither extension nor contraction since May 12. The most recent (preliminary) sulfur dioxide emission rate measurement was 300 tonnes/day on April 26, 2013, from all east rift zone sources; these values have ranged between 150 and 450 t/d in 2013; these measurements are made at a greater distance from the sources where the plume is more easily characterized.

New Activity/Unrest
[Source: AVO, HVO, GVP and others]

  • Cleveland, Chuginadak Island (ALASKA)
  • Copahue, Central Chile-Argentina border
  • Dieng Volcanic Complex, Central Java (Indonesia)
  • Guntur, Western Java (Indonesia)
  • Mayon, Luzon (Philippines)
  • Pavlof, Alaska Peninsula
  • Popocatépetl, México
  • Tungurahua, Ecuador

Ongoing Activity

  • Kilauea, Hawaii (USA)
  • Kizimen, Eastern Kamchatka (Russia)
  • Karymsky, Kamchatka (Russia)
  • Paluweh, Lesser Sunda Islands (Indonesia)
  • Reventador, Ecuador
  • Sabancaya, Perú
  • Sakura-jima, Kyushu (Japan)
  • Shiveluch, Central Kamchatka (Russia)
  • Tolbachik, Central Kamchatka (Russia)
  • Bezymianny, Kamchatka (Russia) YELLOW
  • Gorely Volcano  YELLOW

VONA/KVERT DAILY REPORT – May 17, 2013
Kamchatkan and Northern Kuriles Volcanic Activity

SHEVELUCH VOLCANO (CAVW #1000-27-)
56.64 N, 161.32 E; Elevation 10768 ft (3,283 m), the dome elevation ~8200 ft (2500 m)
Aviation Color Code is
ORANGE

Moderate seismic activity continues at the volcano. Video images showed a moderate gas-steam eruption and incandescence above the lava dome. Satellite data showed a thermal anomaly over the volcano.

PLOSKY TOLBACHIK VOLCANO (CAVW #1000-24-)
55.83 N, 160.39 E; Elevation 10119 ft (3085 m)
Aviation Color Code is ORANGE

Strong seismicity occurring at the volcano. The amplitude of volcanic tremor was up to 3.2 mcm/s. Explosive-effusive eruption continues: lava continues to effuse from the Southern fissure on Tolbachinsky Dol. A thermal anomaly was noted on satellite images at the northern area of Tolbachinsky Dol.

KIZIMEN VOLCANO (CAVW #1000-23-)
55.13 N, 160.32 E; Elevation 8151 ft (2485 m)
Aviation Color Code is
ORANGE

Moderate seismic activity continues at Kizimen. Video images  showed growth of an extrusion at the volcano summit continues. Incandescence of the volcano summit, hot avalanches on the western and eastern volcanic flanks, and strong and moderate gas-steam activity accompany this process. Satellite data showed the volcano was obscured by clouds.

KARYMSKY VOLCANO (CAVW #1000-13-)
54.05 N, 159.44 E; Elevation 4874 ft (1486 m)
Aviation Color Code is
ORANGE

There was no seismic data due to technical reasons. Satellite images  were obscured by clouds.

BEZYMIANNY VOLCANO (CAVW #1000-25-)
55.97 N, 160.6 E; Elevation 9453 ft (2882 m)
Aviation Color Code is YELLOW

Strong seismic activity at Tolbachinsky Dol obscured seismicity of Bezymianny. WebCam images obscured by clouds.  Satellite data showed a thermal anomaly over the volcano.

GORELY VOLCANO (CAVW #1000-07-)
52.56 N, 158.03 E; Elevation 5996 ft (1828 m)
Aviation Color Code is YELLOW

Moderate seismic activity continues at Gorely. Volcano was obscured by clouds.

Related Links

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Rising Temperatures, Red Flag Warnings and Erupting Volcanoes

Posted by feww on May 18, 2013

Max Temp Forecast for Contiguous US – Sunday May 19, 2013

During the first 17 days of May some 21 maximum temperature records were broken and 8 others tied, according to National Climatic Data Center (NCDC).

us max temps

US Weather Forecast: Significant Severe Weather Forecast in the Plains Saturday through Monday

The Storm Prediction Center is predicting a moderate risk of severe weather from western Oklahoma to southwest Nebraska today. Damaging winds, very large hail and significant tornadoes are all possible. Significant severe weather is also possible Sunday and Monday in the Plains. —NWS

Meantime, a Winter Storm Warning is in effect in parts of Alaska.

Red Flag Warning in 5 States

Red Flag Warnings are in effect in parts of five states—New Mexico, Colorado, Kansas, Oklahoma and Texas—due to strong winds and critically low humidities, NWS reported.

Pavlof and Cleveland Volcanoes Continue Erupting

Pavlof Volcano – Friday, May 17, 2013 3:05 PM AKDT (Friday, May 17, 2013 23:05 UTC)

Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE
Continuous steam, ash, and gas clouds to as high as 20,000 ft. above sea level, carried downwind to the northeast, east, and southeast as much as 100 km…  Seismicity remains elevated with near continuous tremors recorded… “A light ashfall was reported the evening of May 14 in a mining camp 80 km northeast of the volcano,” AVO reported.

“Although the activity to date has been characterized by relatively low-energy lava fountaining and gas emission, more energetic explosions could occur without warning at any time that could place ash clouds above 20,000 ft.”

Cleveland Volcano – Friday, May 17, 2013 3:05 PM AKDT (Friday, May 17, 2013 23:05 UTC)

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

Cleveland Volcano’s continued activity over the past week is marked by energetic steam plumes and high surface temperatures, AVO reported. “Re-analysis of earlier images revealed that a small lava flow had breached the southeast rim of the summit crater and extended up to about 1.5 km down the flank.”

-O0O-

Other Global Disasters/ Significant Events

South China Flooding and Landslides, Leave 70 People Dead or Missing, Affect Millions

Severe flooding triggered by extreme rain events in southern China has left at least 55 people dead and 14 others missing.

  • Up to 400mm of rain since Tuesday has triggered widespread flooding affecting millions of people in 10 provinces across southern China.
  • Flooding has destroyed thousands of homes and tens of thousands of hectares of crops.

[China has 34 administrative divisions including 23 provinces, 4 municipalities, 5 autonomous regions, and 2 special administrative regions.]

-O0O-

DISASTER CALENDARMay 18, 2013  
SYMBOLIC COUNTDOWN:
1,029 Days Left 

Mass die-offs resulting from human impact and the planetary response to the anthropogenic assault could occur by early 2016.

  • SYMBOLIC COUNTDOWN: 1,029 Days Left to ‘Worst Day’ in the brief Human  History
  • The countdown began on May 15, 2011 …

GLOBAL WARNINGS

Global Disasters: Links, Forecasts and Background

Posted in Global Disaster watch, global disasters, global disasters 2013, Significant Event Imagery, significant events, significant geophysical disturbances | Tagged: , , , , , , , , , , , | Leave a Comment »

El Hierro Island Experiencing Intense Seismicity, Inflation

Posted by feww on March 31, 2013

El Hierro moving east, experiencing uplift amid intense seismic activity

Intense seismicity and inflation at El Hierro suggest magma is intruding underneath the tiny volcanic island, the smallest of Canary Islands, located  in the Atlantic Ocean off the coast of Africa (population ~ 10,000).

  • Sharp increase in seismic activity in and around the tiny island (Area: ~ 278 km2) began on March 18, with the largest quake measuring 4.7 on Richter scale, which occurred on Friday.
  • The majority of tremors are occurring at a depth of between 12 and 15 km.
  • The latest geological activities have caused the island to move east and forced the ground to rise by 11 cm at Punta de Orchilla on the western tip of the island.

Map of El Hierro with recent quake epicenters

Recent quakes at El Hierro
Image Credit: AVCAN. AVCAN.ORG was developed by Victor Tapia. Original idea, administration and all rights by Fernando Raja

Recent Seismicity at El Hierro
Histogram of the recent earthquakes at El Hierro 18 -31 March, 2013. Note sharp increase in seismic activity since March 18, 2013. Image credit: AVCAN.

El Hierro - latest quakes
Latest Earthquake at El Hierro. Image credit: AVCAN.

Global Volcano Watch (Source: AVO; HVO; GVP)

New Activity/Unrest:

  • Fuego, Guatemala (Lava fountains rising to 400 m above the crater reported on 20 March, causing 1.5 km long lava stream in the Ceniza drainage).
  • Hekla, Southern Iceland
  • Tungurahua, Ecuador

Ongoing Activity:

U.S. Volcanoes

  • Kilauea, Hawaii  (Hawaii) – Code ORANGE – WATCH
  • Cleveland Volcano (Alaska) – Code YELLOW – ADVISORY

Kamchatka Peninsula

  • Gorely – Code YELLOW
  • Karymsky, Eastern Kamchatka (Russia) – Code ORANGE
  • Kizimen, Eastern Kamchatka (Russia) –  Code ORANGE
  • Tolbachik, Central Kamchatka (Russia)  Code ORANGE
  • Bezymianny – Code YELLOW
  • Sheveluch Central Kamchatka (Russia) – Code ORANGE

Indonesia

  • Batu Tara, Komba Island (Indonesia)
  • Lokon-Empung, Sulawesi
  • Paluweh, Lesser Sunda Islands (Indonesia)

Kurile Islands

  • Snow – Code YELLOW
  • Ivan Grozny – Code YELLOW

Other Volcanoes

  • Bagana, Bougainville (PNG)
  • Popocatépetl, México
  • Sakura-jima, Kyushu (Japan)
  • Santa María, Guatemala

Total: 21 volcanoes

Recent Volcano News

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How Many Volcanoes Firing?

Posted by feww on March 7, 2013

Global Volcanic Eruptions 2013: Tempo Rising?


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

Current Aviation Color Code: ORANGE

CLEVELAND VOLCANO (52°49’20” N 169°56’42” W; CAVW #1101-24-) – [Group A on the Global Map]
Wednesday, March 6, 2013 12:14 PM AKST (Wednesday, March 6, 2013 21:14 UTC)
Summit Elevation: 5676 ft (1,730 m)
Current Volcano Alert Level: WATCH
Source: AVO

1338849660_ak52
Cleveland viewed from an Alaska Airlines 737 en route to Adak, Alaska. [Carlisle Volcano, center of image. Mount Cleveland, lower right of image.]

Date: May 31, 2012 12:00 AM
Photographer/Creator: Read, Cyrus. Image courtesy of AVO/USGS.

1285607433_ak52
This GeoEye IKONOS image shows a faint plume issuing from Cleveland Volcano at 2:31 PM on September 14, 2010. Red in this image highlights areas of vegetation detected by the near-infrared channel
.

Date: September 14, 2010 10:31 PM UTC
Volcano(es): Cleveland
Photographer/Creator: Wessels, Rick
Image processed by AVO/USGS. Image copyright 2010 – GeoEye

KILAUEA VOLCANO (19°25’16” N 155°17’13” W; CAVW #1302-01-)
Wednesday, March 6, 2013 7:43 AM HST (Wednesday, March 6, 2013 17:43 UTC)
Summit Elevation 4091 ft (1,247 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE
Source: HVO

Kamchatka Volcanoes on ORANGE Alert [Group J on the Global Map]

  • PLOSKY TOLBACHIK VOLCANO (55.83 N, 160.39 E; CAVW #1000-24-)
    Elevation:  3,085 m (10119 ft )
  • SHEVELUCH VOLCANO (56.64 N, 161.32 E; CAVW #1000-27-)
    Elevation: 3, 283 m [the dome elevation: 2,500 m)
  • KIZIMEN VOLCANO (55.13 N, 160.32 E; CAVW #1000-23-)
    Elevation: 2,485 m (8151 ft)
  • KARYMSKY VOLCANO (54.05 N, 159.44 E; CAVW #1000-13-)
    Elevation 1,486 m (4874 ft)

Other Kamchatka Volcanoes on YELLOW Alert [Group J on the Global Map]

  • KLYUCHEVSKOY VOLCANO (56.06 N, 160.64 E; CAVW #1000-26-)
    Elevation:  4,750 m
  • BEZYMIANNY VOLCANO (55.97 N, 160.6 E; CAVW #1000-25-)
    Elevation: 2,882 m
  • GORELY VOLCANO (52.56 N, 158.03 E; CAVW #1000-07-)
    Elevation: 1,828 m

Volcanoes of the Kurile Islands

  • Snow (Chirpoi Is.)  – YELLOW
  • Ivan Grozny – YELLOW

Recent Activity/ Unrest at other volcanoes

Ongoing Activity

Volcano/Earthquake Links

Posted in Significant Event Imagery, significant events, significant geophysical disturbances, volcanic activity, volcanic eruption, volcanic event, volcanic hazard, volcanic unrest, volcano, volcano alert, volcano images, Volcano News | Tagged: , , , , , , , , , , , , , , , | Leave a Comment »

VolcanoWatch [10 June 2010]

Posted by msrb on June 10, 2010

Summary of Weekly Volcanic Activity Report

[Source: SI/USGS]

New Activity/Unrest (2 June – 8 June 2010)

  • Bezymianny, Central Kamchatka (Russia)  [Group J]
  • Cleveland, Chuginadak Island  [Group H]
  • Pacaya, Guatemala  [Group F]
  • Taal, Luzon   [Group K]
  • Tiatia, Kunashir Island (Kuril Islands, Russia)   [Group J]
  • Tungurahua, Ecuador  [Group D]
  • Ulawun, New Britain [Group K]


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

Ongoing Volcanic Activity:

For additional information, see source.

Related Links:

More Links:

FEWW Volcanic Activity Forecast

Other Related Links:

Posted in volcanic activity, volcanic eruption, Volcanic Explosions, volcanic hazard, volcanism, volcano | Tagged: , , , , | Leave a Comment »

VolcanoWatch [1 June 2010]

Posted by feww on June 5, 2010

Mount Pagan Ejects a Small Plume


False-color satellite image of Mount Pagan, located in the Northern Marianas Islands, shows a small gas and steam plume rising from the volcano on June 3, 2010. “The blue tint of the volcanic plume hints that it may be rich in sulfate aerosols, which could be acting as nuclei for the condensation of water droplets, resulting in cloud formation in the plume.” Iimage was acquired by the Advanced Spaceborne Emission and Reflection Radiometer aboard NASA’s Terra
satellite. Source: NASA E/O. Click image to enlarge. Download large image (2 MB, JPEG)

Cleveland Volcano Restive


False-color image of Mount Cleveland was acquired by ASTER on NASA’s Terra satellite. “Snow is white, clouds are pink, vegetation is red, and water is almost black.”  The Alaska Volcano ObservatoryThe volcano is located about 1,500 kilometers (900 miles) SW of  Anchorage, Alaska. reported an plume of ash above Cleveland volcano rising to a height of about 4,900 meters (16,000 feet) on May 30th.
Source: NASA E/O. Click image to enlarge. Download large image (931 KB, JPEG)

Summary of Weekly Volcanic Activity Report

[Source: SI/USGS]

New Activity/Unrest (26 May-1 June 2010)

  • Arenal, Costa Rica –  [Group F]
  • Bezymianny, Central Kamchatka (Russia)  –  [Group J]
  • Cleveland, Chuginadak Island – [Group H]
  • Kirishima, Kyushu –  [Group J]
  • Pacaya, Guatemala – [Group F]
  • Pagan, Mariana Islands (Central Pacific) – [Group L]
  • Sarigan, Mariana Islands (Central Pacific)  –  [Group L]
  • Tungurahua, Ecuador –  [Group D]
  • Ulawun, New Britain –  [Group K]
  • Yasur, Vanuatu (SW Pacific)  – [Group L]


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


Ongoing Activity:

For additional information, see source.

Related Links:

FEWW Volcanic Activity Forecast

Other Related Links:

Recent Posts on Chaitén:

Posted in Kirishima, volcano alert, Volcano News, Volcano Watch, Volcano Watch Weekly | Tagged: , , , , | Leave a Comment »

VolcanoWatch Weekly [24 Dec 2009]

Posted by feww on December 24, 2009

VoW: Mayon


Mayon Volcano ejects a column of ash into air December 24, 2009. (Xinhua/Reuters Photo). Image may be subject to copyright.

For recent information on Mayon click links below:

SI / USGS Weekly Volcanic Activity Report
(17 December – 23 December 2009)

New Activity/Unrest:

Volcano News (Source: GVP)

KVERT reported that a significant thermal anomaly from Bezymianny was detected in satellite imagery on 17 December. A few hours later a large explosive eruption produced ash plumes that were seen drifting as far as 350 km W and NW.


Ash from Bezymianny volcano covers a thick blanket of snow at Kozyrevsk village December 16-17, 2009. Credit: Yu. Demyanchuk/ KVERT.

Ongoing Activity

Chaitén, Southern Chile; Karymsky, Eastern Kamchatka; Kilauea, Hawaii; Kliuchevskoi, Central Kamchatka (Russia); Sakura-jima, Kyushu (Japan); Sangay, Ecuador;  Shiveluch, Central Kamchatka (Russia); Soufrière Hills, Montserrat; Suwanose-jima, Ryukyu Islands (Japan).


Strombolian activity and new lava flow at the eastern flank of Klyuchevskoy volcano on December 21, 2009. Credit: Yu. Demyanchuk/ KVERT.


State of Klyuchevskoy volcano on December 23, 2009.  Credit: Yu. Demyanchuk/ KVERT.

Related Links:

More Links:

FEWW Volcanic Activity Forecast

Other Related Links:

Recent Posts on Chaitén:

Posted in Klyuchevskoy, volcano, Volcano Hazard, Volcano Status, Volcano Watch Weekly | Tagged: , , , , , , | Leave a 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:

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VolcanoWatch Weekly [2 July 2009]

Posted by feww on July 3, 2009

VoW: Yellowstone Volcano

Location: 44.43°N 110.67°W
Summit Elevation:  2,805 m
Volcano Alert Level: NORMAL
Aviation Color Code: GREEN

Yellowstone
Remote sensor imagery of Yellowstone Caldera. Source: a frame-freeze picture from Yellowstone Volcano Due To Erupt


The rim of the Yellowstone Caldera.  Source ESA (mirrored from http://www.yellowstonegis.utah.edu/home/home.html)

What’s brewing under the old rocks?

  • Earthquake swarms are common at Yellowstone.
  • Increased seismic activity at Yellowstone Lake in Yellowstone National Park  in late December 2008 decreasing  since January 8, 2009.
  • Seismic activity  could continue.
  • The recent swarm is well above typical activity at Yellowstone, but  not unprecedented.
  • Earthquake swarms within the Yellowstone caldera typically occur with magnitudes of about 4.0.
  • A swarm with about 3,000 events occurred in 1985 on the northwest rim of the caldera, lasting for three months, with largest earthquakes up to M4.9  recorded. (Source: Volcanoes USGS )


Yellowstone Lake showing location and times of the recent earthquakes from Dec. 27, 2008 (blue) to Jan. 8, 2009 (red). The M 3.0 and greater earthquakes are shown as stars, the smaller earthquakes are shown as circles. During the swarm, the earthquake locations appear to have moved north. For more information on the depths of the earthquakes, see the cross section from X to X’ below.
(Source: Volcanoes USGS/ YVO )


The depth versus location of the Yellowstone Lake earthquake swarm from X to X’ on the Yellowstone Lake map. Earthquakes are shown from Dec. 27, 2008 (blue) to
Jan. 8, 2009 (red). The M 3.0 and greater earthquakes are shown as stars, the smaller earthquakes are shown as circles.  (Source: Volcanoes USGS
/ YVO )


Number of reviewed Yellowstone Lake earthquakes in six-hour and three-hour intervals from 12/27/08 to 01/06/09. The green line on the left figure gives the cumulative
number of earthquakes; the steep slopes correspond to increase in earthquake number. The red line in the figure on the right gives the cumulative moment, or energy; its sharp increase in the first few days is due to a greater number of large earthquakes with their greater energy release. The total cumulative moment is equivalent in energy to about one M 4.5 earthquake. Click on the image for a full-size version.
(Source: Volcanoes USGS/ YVO )

What causes earthquakes at Yellowstone?

USGS / YVO cite a combination of geological factors including:

  • Regional stress associated with normal faults such as the nearby Teton and Hebgen Lake faults
  • Magmatic movements at depth (>7 kms)
  • Hydrothermal fluid activity caused by boiling groundwater which is heated by magma.

However,  YVO has not reported any anomalous changes in hot springs discharges, gas emissions …

In 2004 the Yellowstone caldera underwent period of accelerated uplift, clocking 7 cm/yr, or three times  faster than  in the recorded history; however the movement has now slowed down to  a maximum rate of 4 cm/yr (or about 175 % of the pre-2004 records.)

The uplift is most noticeable at the White Lake GPS station, as has been discussed in our monthly YVO updates during the past year. As of late October 2007, the total uplift since 2004 at that location is about 17 cm. Chang and his colleagues credit the relatively rapid rise to recharge of magma into the giant magma chamber that underlies the Yellowstone Caldera. They also used numerical modeling to infer that the magma intruded about 10 km (6 miles) beneath the surface.


This interferogram provides a map view of ground movements at Yellowstone. Each color contour represents a line of equal uplift relative to the ENVISAT satellite between Sept. 2004 and Aug. 2006. The center of the uplift is an elliptical region stretching from the northeastern part of the Yellowstone Caldera (the dashed black line) to the southwest. This area of maximum uplift encompasses both Yellowstone’s resurgent domes, features long known for similar movements. During this time period, the north-rim uplift anomaly subsided (bullseye in the upper left part of the interferogram). The yellow lines are roads. The yellow triangles are locations of GPS stations with continuous data. The light blue lake within the caldera is Yellowstone Lake. Thin black lines are mapped faults. Figure courtesy of C. Wicks, USGS. Caption: USGS / YVO


Yellowstone caldera Map. USGS   Click Image to Enlarge.


Source: USGS


Source: Yellowstone National Park.

Conclusion:

USGS / YVO: “At this time, there is no reason to believe that magma has risen to a shallow level within the crust or that a volcanic eruption is likely. ”

FEWW: Perhaps, a new mindset is needed to help understand the true nature, “utility function” and full range of  all possible scenarios that might occur at the super volcano site. Let’s start looking at Yellowstone in the Big Picture frame.  There may be a few sobering “surprises” in store!


Volcanic Activity Report: 24 June-30 June 2009

Source: Global Volcanism program (GVP) – SI/USGS Weekly Volcanic Activity Report

New activity/unrest:

NOTE: A small explosive eruption of Cleveland on 25 June prompted AVO to raise the Volcano Alert Level to Watch and the Aviation Color Code to Orange. An ash cloud that detached from the volcano was seen on satellite imagery moving S at an estimated altitude of 4.6 km (15,000 ft) a.s.l. No further activity was reported. On 27 June, AVO lowered the Volcano Alert Level to Advisory and the Aviation Color Code to Yellow. (Source: GVP)

Ongoing Activity:

Latest U.S. Volcano Alerts and Updates for July 03, 2009 0040 UTC

  • Redoubt Activity – Color Code YELLOW : Alert Level ADVISORY

  • Kilauea Activity  –  Color Code ORANGE : Alert Level WATCH

  • Cleveland Activity – Color Code – YELLOW : Alert Level – ADVISORY

  • Mauna Loa Activity – Color Code YELLOW : Alert Level ADVISORY

Redoubt Volcano Latest Observations: Local time: June 24, 2009 1705 AKDT (June 25, 2009 0105 UTC)
The eruption of Redoubt continues. Seismic activity remains low but above background levels.

Related Links:

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Week 33 Volcano Watch

Posted by feww on August 21, 2008

13 August-19 August 2008

New Activity/Unrest:

Piton de la Fournaise. The massive Piton de la Fournaise on the island of Réunion is one of the world’s most active volcanoes. It is seen here in 1977 with a fresh black lava flow descending the outer NE flank of the shield volcano to the sea. An unvegetated summit lava shield (upper left) was constructed within an 8-km-wide caldera that is breached to the sea. Its sloping northern rim is marked by the diagonal vegetation line at the left. More than 150 eruptions have occurred since the 17th century, mostly from vents within the caldera. (Caption:Global Volcanism Program ). Copyrighted photo by Katia and Maurice Krafft, 1977 (published in SEAN Bulletin, 1977).

Ongoing Activity:

The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program. This page is updated on Wednesdays, please see the GVP Home Page for news of the latest significant activity.

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Week 31 Volcano Watch

Posted by feww on August 7, 2008

30 July-5 August 2008

Breaking News:

Color Code Purple

Recent activity at the Kilauea volcano has increased atmospheric levels of sulfur dioxide in the districts of Kau and Puna, Hawaii, resulting in a spike of sulfur of 9 parts per million, which is considered to be extremely high. (Source)

New Activity/Unrest:


Kilauea volcano eruption. Photo dated July 14. 2008. Copyright: Steven and Donna O’Meara. Source: HawaiiMagazine.com. See Fair Use Notice!

Ongoing Activity:

[The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.]

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Volcanic Activity News

Posted by feww on August 2, 2008

For New Volcanic Activity/Unrest See

SI / USGS Weekly Volcanic Activity Report

23 July-29 July 2008

New Activity/Unrest:

Anatahan, Mariana Islands (Central Pacific) | Chaitén, Southern Chile | Chikurachki, Paramushir Island | Cleveland, Chuginadak Island | Dukono, Halmahera | Karymsky, Eastern Kamchatka | Llaima, Central Chile | Manam, Northeast of New Guinea (SW Pacific) | Okmok, Fox Islands | Reventador, Ecuador | Soufrière Hills, Montserrat


“Garden of the Fugitives.” Plaster casts of some of the victims of Mount Vesuvius eruption [AD79] are still in the ruins of Pompeii. A few hours after Mount Vesuvius exploded Pompeii and its residents were buried under 3 meters of volcanic ash. Photo copyright: Aschwin Prein. See FEWW Fair Use Notice!

Ongoing Activity:

Batu Tara, Komba Island (Indonesia) | Bezymianny, Central Kamchatka (Russia) | Kilauea, Hawaii (USA) | Krakatau, Indonesia | Rabaul, New Britain | Sakura-jima, Kyushu | Santa María, Guatemala | Semeru, Eastern Java (Indonesia) | Shiveluch, Central Kamchatka (Russia) | Suwanose-jima, Ryukyu Islands (Japan) | Tungurahua, Ecuador | Ubinas, Perú


The skeletal remains of a young woman killed by the eruption of Mount Vesuvius in A.D. 79. The skeleton, unearthed from the ruins of Herculaneum in 1982, was named the “Ring Lady” because of the emerald and ruby rings found on the woman’s left hand. Two gold bracelets and gold earrings were also found by the woman’s side. (Source: Wikipedia)

Posted in Chikurachki, Herculaneum, Mount Vesuvius, Reventador, Ring Lady, volcanic eruptions | Tagged: , , , , , , , , , , | Leave a Comment »

Project Vulcan

Posted by feww on April 18, 2008

Vulcan’s list of top U.S. polluters by county (million tons of CO2 per year)

[Note; most of the data presented by Vulcan is about 6 years old.]

1. Harris, Houston, Texas, 18.625
2. Los Angeles, L.A., Ca., 18.595
3. Cook, Chicago, Ill., 13.209
4. Cuyahoga, Cleveland, Ohio, 11.144 [Hope T.S., the dishonest attorney, chokes!]
5. Wayne, Detroit, Mich. , 8.270
6. San Juan, Farmington, N.M., 8.245
7. Santa Clara, San Jose, Ca., 7.995
8. Jefferson, Birmingham, Ala., 7.951
9. Wilcox, Camden, Ala., 7.615
10. East Baton Rouge, Baton Rouge, La., 7.322
11. Titus, Mt. Pleasant (!), Texas, 7.244
12. Carbon, Jim Thorpe, Pa., 6.534
13. Porter, Valparaiso, Ind., 6.331
14. Jefferson, Steubenville, Ohio, 6.278
15. Indiana, Indiana, Pa., 6.224
16. Middlesex, Boston metro area, Mass., 6.198
17. Bexar, San Antonio, Texas, 6.141
18. Hillsborough, Tampa, Fla., 6.037
19. Suffolk, New York metro area, N.Y., 6.030
20. Clark, Las Vegas, Nev., 5.955

CO2 maps zoom in on greenhouse gas sources


New analysis by Purdue researchers of greenhouse gases shows that the emissions are greater in the southeastern United States than was previously thought. In this image, the amount of red represents the increased amounts of carbon dioxide in the atmosphere from previous estimates, and the blue represents a reduction in atmospheric CO2. Purdue assistant professor Kevin Gurney says the difference appears greatest in winter months when there are more emissions and less vertical air movement. (Purdue University image/Kevin Gurney)

About Project Vulcan

The Vulcan Project is a NASA/DOE funded effort under the North American Carbon Program (NACP)to quantify North American fossil fuel carbon dioxide (CO2) emissions at space and time scales much finer than has been achieved in the past. The purpose is to aid in quantification of the North American carbon budget, to support inverse estimation of carbon sources and sinks, and to support the demands posed by the launch of the Orbital Carbon Observatory (OCO)scheduled for 2008/2009. The detail and scope of the Vulcan CO2 inventory has also made it a valuable tool for policymakers, demographers and social scientists.

Related Links:

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