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Smithsonian/USGS Weekly Volcanic Activity Report 28 March to 3 April 2012 5 April 2012

Posted by admin in activity reports, Alaska, Caribbean, Chile, Cleveland, Colombia, Ecuador, Etna, Fuego, Guatemala, Hawaii, Iliamna, Indonesia, Italy, Kamchatka, Karymsky, Kilauea, Lewotobi, Mexico, Nevado del Ruiz, Popocatépetl, Puyehue, Russia, Shiveluch, Soufrière Hills, Sundoro, Tengger Caldera, Tungurahua, United States, Weekly Volcanic Activity Reports.
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The latest Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been published by the Global Volcanism Program, covering the week 28 March to 3 April 2012. The report is compiled by Sally Kuhn Sennert. Among the highlights of this week:

  • Alert level at Clevelandraised as a new lava dome becomes evident
  • A significant increase in seismicity at Nevado del Ruiz brings a rise in the alert level
  • High levels of sulphur dioxide emissions at Soufrière Hills
  • Another paroxysmal eruptive episode at Etna with lava fountaining and ashfall

SI/USGS Weekly Volcanic Activity Report 28 March to 3 April 2012

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 28 March to 3 April 2012 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Cleveland (Alaska, USA), Fuego (Guatemala), Iliamna (Alaska, USA), Lewotobi (Indonesia), Nevado del Ruiz (Colombia), Soufrière Hills (Montserrat), Sundoro (Indonesia).

Ongoing activity: Etna (Italy), Karymsky (Russia), Kilauea (Hawaii, USA), Popocatépetl (Mexico), Puyehue-Cordón Caulle (Chile), Shiveluch (Russia), Tengger Caldera (Indonesia), Tungurahua (Ecuador).

Note: ‘a.s.l.’ = ‘above sea level’.

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Smithsonian/USGS Weekly Volcanic Activity Report 14-20 March 2012 22 March 2012

Posted by admin in activity reports, Caribbean, Chile, Cleveland, Colombia, Ecuador, Etna, Hawaii, Iliamna, Italy, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Mexico, Nevado del Ruiz, Popocatépetl, Puyehue, Russia, Sakura-jima, Shishaldin, Soufrière Hills, Tungurahua, United States, Villarrica, Weekly Volcanic Activity Reports.
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The latest Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been published by the Global Volcanism Program, covering the week 14-20 March 2012. The report is compiled by Sally Kuhn Sennert. Among the highlights of this week:

  • A plume, probably water vapour, seen from Iliamna, where seismicity remained elevated
  • Seismicity decreased at Nevado del Ruiz but significant gas emissions continued
  • Etna continued lively with lava flows and fountaining, and strong ash emission
  • Daily explosions at Shiveluch produced plumes which reached 3-5 km altitude

SI/USGS Weekly Volcanic Activity Report 14-20 March 2012

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 14-20 March 2012 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Iliamna (Alaska, USA), Nevado del Ruiz (Colombia).

Ongoing activity: Cleveland (Alaska, USA), Etna (Italy), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Popocatépetl (Mexico, Puyehue-Cordón Caulle (Chile), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat), Tungurahua (Ecuador), Villarrica (Chile).

Note: ‘a.s.l.’ = ‘above sea level’.

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Smithsonian/USGS Weekly Volcanic Activity Report 7-13 March 2012 15 March 2012

Posted by admin in activity reports, Alaska, Bezymianny, Chile, Cleveland, Colombia, eruptions, Hawaii, Ijen, Iliamna, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Lamongan, Marapi, Nevado del Ruiz, Puyehue, Russia, Sakura-jima, Santa María, Shiveluch, Tungurahua, United States, Villarrica, Weekly Volcanic Activity Reports.
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The latest Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been published by the Global Volcanism Program, covering the week 7-13 March 2012. The report is compiled by Sally Kuhn Sennert. Some of the news from a week that has seen quite a lot of new activity:

  • An explosive eruption at Bezymianny sent ash up to 8 km altitude
  • Activity at Nevado del Ruiz marked by explosions, ash emissions and increased seismicity
  • Cleveland stirs with small explosive eruptions
  • Explosions at Santa María produce localized ashfall

SI/USGS Weekly Volcanic Activity Report 7-13 March 2012

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 7-13 March 2012 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Bezymianny (Russia), Cleveland (Alaska, USA), Ijen (Indonesia), Iliamna (Alaska, USA), Lamongan (Indonesia), Marapi (Indonesia), Nevado del Ruiz (Colombia), Tungurahua (Ecuador).

Ongoing activity: Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Puyehue-Cordón Caulle (Chile), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Villarrica (Chile).

Note: ‘a.s.l.’ = ‘above sea level’.

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Eruption at Bezymianny: ash reaches over 8 km a.s.l. 9 March 2012

Posted by admin in activity reports, Bezymianny, eruptions, Kamchatka, Russia.
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As the scientists at the Kamchatka Volcano Emergency Response Team (KVERT) anticipated, Bezymianny has erupted. KVERT reported at 2226Z last night:

Strong explosive eruption began about 21:27 UTC on March 08 – according to seismic data. Explosive eruption will continue and strong ash explosions up to 43,000 ft (13 km) a.s.l. possible at any time. Ongoing activity could affect international and low-flying aircraft.

The same bulletin reports plumes then reaching 5 km a.s.l. A later bulletin, issued at 2313Z, described the eruption by this time as ‘moderate’ and reported ‘Culmination phase of the explosive eruption occurred at 21:40 UTC on March 08, when ash plumes from pyroclastic deposits rose up to 26,200 ft (8 km) a.s.l.’ The latest bulletin, released at 0700Z today, summarizes the activity as follows:

Activity of the volcano after strong explosive phase of eruption is gradually decreasing but continues. Ongoing activity could affect low-flying aircraft. Strong explosive eruption began at 21:27 UTC on March 08. According to seismic data, the culmination phase of the eruption occurred from 21:27 till 22:10 UTC on March 08, a magnitude of volcanic tremor was 7.52 µm/s at that time. From 23:00 UTC on March 08, volcanic tremor was not registering. Ash plumes from pyroclastic deposits rose up to 26,200 ft (8 km) a.s.l. and extended to the northeast of the volcano on the height about 19,700 ft (6 km) a.s.l. At about 00:15 UTC on March 09, probably a new portion of ash began to extending a little to northern to northeast of the volcano. According to satellite data, a length of ash plume was about 434 mi (700 km) at 04:32 UTC on March 09. At present, the moderate eruption is continuing. According to video data, gas-steam plumes containing ash are raising up to 11,500-13,100 ft (3.5-4.0 km) a.s.l. and extending to the north-east of the volcano.

Tokyo VAAC issued its latest advisory for Bezymianny at 0559 today, describing ‘emissions continuing’ and ash moving NE of the volcano and reaching airspace at FL270 (27,000 feet or 8.2 km a.s.l.). Things currently look reasonably quiet (and, of course, dark) at the Bezymianny webcam. KVERT has uploaded some pictures of the March 8-9 activity to its Bezymianny activity page; latest images at the top.

News
Bezymianny volcano (Kamchatka): new explosive eruption sends ash to 27,000 ft altitude – VolcanoDiscovery, 9 March 2012
Bezymianny volcano erupts again – Voice of Russia, 9 March 2012

Information
Global Volcanism Program: Bezymianny – summary information for Bezymianny (1000-25=)
KVERT: information releases – current activity summary for Kamchatka volcanoes
Alaska Volcano Observatory – Activity – includes AVO reports on Kamchatka volcanoes
Kamchatkan Volcanic Eruption Response Team – KVERT information page from the AVO

The Volcanism Blog

Smithsonian/USGS Weekly Volcanic Activity Report 29 February – 6 March 2012 8 March 2012

Posted by admin in activity reports, Alaska, Bagana, Bezymianny, Canary Islands, Chile, Cleveland, Ecuador, eruptions, Etna, Fuego, Guatemala, Hawaii, Hierro, Italy, Japan, Kamchatka, Kanaga, Karymsky, Kilauea, Kizimen, Mexico, Papua New Guinea, Popocatépetl, Puyehue, Russia, Sakura-jima, Santa María, Shiveluch, Spain, Suwanose-jima, Tungurahua, United States, Weekly Volcanic Activity Reports.
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The latest Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been published by the Global Volcanism Program, covering the week 29 February to 6 March 2012. The report is compiled by Sally Kuhn Sennert. Some of the highlights of the volcanic week:

  • Continuing activity at Etna including strombolian eruptions, lava fountaining and lava flows
  • Explosions at Fuego produced plumes that reached 0.6 km above the crater
  • Plumes rose to 1 km above Puyehue-Cordón Caulle as low-level eruptive activity continues

SI/USGS Weekly Volcanic Activity Report 29 February - 6 March 2012

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 29 February – 6 March 2012 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Bezymianny (Russia), Cleveland (Alaska, USA), Etna (Italy), Kanaga (Alaska, USA), Tungurahua (Ecuador).

Ongoing activity: Bagana (Papua New Guinea), Fuego (Guatemala), Hierro (Canary Islands), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Popocatépetl (Mexico), Puyehue-Cordón Caulle (Chile), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Suwanose-jima (Japan).

Note: ‘a.s.l.’ = ‘above sea level’.

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Bezymianny on alert for eruption – KVERT 7 March 2012

Posted by admin in activity reports, Bezymianny, Kamchatka, Russia.
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Bezymianny volcano on the Kamchatka Peninsula in Russia’s far east has been put on red alert for a possible eruption by the Kamchatka Volcano Emergency Response Team (KVERT). In a bulletin issued late yesterday KVERT reports: ‘Activity of the volcano continuously increases. Strong ash explosions up to 42,640 ft (13 km) a.s.l. possible at any time. Ongoing activity could affect international and low-flying aircraft’. Based on increasing seismic activity since mid-February and the presence of a thermal anomaly which abruptly increased in ‘size and brightness’ on 2 March, KVERT scientists suspect that ‘a strong explosive eruption’ of the volcano is in preparation.

Information
Global Volcanism Program: Bezymianny – summary information for Bezymianny (1000-25=)
KVERT: information releases – current activity summary for Kamchatka volcanoes
Alaska Volcano Observatory – Activity – includes AVO reports on Kamchatka volcanoes
Kamchatkan Volcanic Eruption Response Team – KVERT information page from the AVO

The Volcanism Blog

Smithsonian/USGS Weekly Volcanic Activity Report 22-28 February 2012 1 March 2012

Posted by admin in activity reports, Alaska, Bezymianny, Canary Islands, Chile, Cleveland, Costa Rica, Ecuador, eruptions, Guatemala, Hawaii, Hierro, Japan, Kamchatka, Kanaga, Karymsky, Kilauea, Kizimen, Mexico, Popocatépetl, Puyehue, Russia, Sakura-jima, Santa María, Shiveluch, Spain, Tungurahua, United States, Weekly Volcanic Activity Reports.
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The latest Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been published by the Global Volcanism Program, covering the week 22 February to 28 February 2012. The report is compiled by Sally Kuhn Sennert. Some of the highlights:

  • Rincón de la Vieja: two eruptions from Rincón de la Vieja’s active crater
  • Tungurahua: moderate activity continues, with ashfall, incandescence, steam-and-ash plume
  • Puyehue-Cordón Caulle: low-level eruptive activity continues, with lava flows and ash plumes
  • Santa María: explosions produced 0.6-1.3 km plumes and ashfall, pyroclastic flows reported

SI/USGS Weekly Volcanic Activity Report 22-28 February 2012

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 22-28 February 2012 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Cleveland (Alaska, USA), Kanaga (Alaska, USA), Rincón de la Vieja (Costa Rica), Tungurahua (Ecuador).

Ongoing activity: Bezymianny (Russia), Hierro (Canary Islands), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Popocatépetl (Mexico), Puyehue-Cordón Caulle (Chile), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia).

Note: ‘a.s.l.’ = ‘above sea level’.

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Smithsonian/USGS Weekly Volcanic Activity Report 22-28 June 2011 4 July 2011

Posted by admin in activity reports, Africa, Ambrym, Batu Tara, Chile, Eritrea, eruptions, Fuego, Guatemala, Hawaii, Indonesia, Kamchatka, Karymsky, Kilauea, Kirishima, Kizimen, Nabro, Pacific, Planchón-Peteroa, Russia, Sakura-jima, Shiveluch, United States, Vanuatu, Weekly Volcanic Activity Reports.
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Here’s the Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report for the week 22-28 June 2011, compiled by Sally Kuhn Sennert. Some of the highlights:

  • Ambrym: degassing, occasional explosions, light ashfall
  • Nabro: eruption continues, with plumes of water vapour and sulphur dioxide, lava flows and ashfall
  • Puyehue-Cordón Caulle: eruption continues, with active lava flow, and ash clouds affecting air traffic
  • Planchón-Peteroa: ash and gas-and-steam plumes detected

SI/USGS Weekly Volcanic Activity Report 22-28 June 2011

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 22-28 June 2011 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Ambrym (Vanuatu), Kirishima (Japan), Nabro (Eritrea), Puyehue-Cordón Caulle (Chile).

Ongoing activity: Batu Tara (Indonesia), Fuego (Guatemala), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Planchón-Peteroa (Chile), Sakura-jima (Japan), Shiveluch (Russia).

Note: ‘a.s.l.’ = ‘above sea level’.

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Smithsonian/USGS Weekly Volcanic Activity Report 15-21 June 2011 23 June 2011

Posted by admin in activity reports, Africa, Batu Tara, Chile, Costa Rica, Egon, Eritrea, eruptions, Etna, Hawaii, Indonesia, Italy, Kamchatka, Karymsky, Kilauea, Nabro, Paluweh, Russia, Shiveluch, Turrialba, United States, Weekly Volcanic Activity Reports.
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The Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report, compiled by Sally Kuhn Sennert, has been issued for the week 15-21 June 2011. Some of the highlights:

  • Etna: renewed ash emissions from Bocca Nuova
  • Nabro: eruption continues, with plumes of water vapour and sulphur dioxide
  • Puyehue-Cordón Caulle: a viscous lava flow observed as eruptive activity continues
  • Turrialba: a new crater lake observed at the summit

SI/USGS Weekly Volcanic Activity Report 15-21 June 2011

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 15-21 June 2011 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Etna (Italy), Nabro (Eritrea), Puyehue-Cordón Caulle (Chile), Turrialba (Costa Rica).

Ongoing activity: Batu Tara (Indonesia), Egon (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Paluweh (Indonesia), Shiveluch (Russia).

Note: ‘a.s.l.’ = ‘above sea level’.

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Smithsonian/USGS Weekly Volcanic Activity Report 8-14 June 2011 16 June 2011

Posted by admin in activity reports, Africa, Aso, Batu Tara, Caribbean, Chile, Dieng Volcanic Complex, Eritrea, eruptions, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Mayon, Nabro, Pacific, Puyehue, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Tengger Caldera, United States, Vanuatu, Weekly Volcanic Activity Reports, Yasur.
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The Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report, compiled by Sally Kuhn Sennert, has been issued for the week 8-14 June 2011. Another week high in volcanic interest:

  • Kizimen: eruptive episode with ash plumes reaching 4-5 km altitude
  • Nabro: eruption following an earthquake swarm sent ash to 13.7 km altitude
  • Puyehue-Cordón Caulle: eruption continues with continuous ash emission and pyroclastic flows
  • Mayon: slight inflation detected at the summit

SI/USGS Weekly Volcanic Activity Report 8-14 June 2011

Click on the map for a larger version (1211 x 784 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 8-14 June 2011 is now available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Aso (Japan), Dieng Volcanic Complex (Indonesia), Kizimen (Russia), Nabro (Eritrea), Puyehue-Cordón Caulle (Chile), Yasur (Vanuatu).

Ongoing activity: Batu Tara (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Mayon (Philippines), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat), Tengger Caldera (Indonesia).

Note: ‘a.s.l.’ = ‘above sea level’.

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