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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

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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 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

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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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A webcam for Arenal 11 June 2011

Posted by admin in Arenal, Costa Rica, volcano images, volcano monitoring, volcano webcams.
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Arenal volcano viewed from OVSICORI-UNA webcam, 8 June 2011.

Even in Costa Rica, a land well-provided with active and spectacular volcanoes, Arenal stands out as something special. It’s now possible to keep a close watch on Arenal via a new webcam installed by the Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI-UNA). It is located to the south of Arenal 1.4 km from the summit and, weather permitting, gives a fine view of the volcano’s elegant cone. The image is available via this page (or click on the image above) and refreshes every 10 seconds. Be careful — volcano webcams can be addictive!

Information
Global Volcanism Program: Arenal – summary information for Arenal (1405-033)
Volcán Arenal en vivo – OVSICORI-UNA webcam for Arenal
Observatorio Vulcanológico y Sismológico de Costa Rica – home page for Ovsicori

The Volcanism Blog

Smithsonian/USGS Weekly Volcanic Activity Report 25-31 May 2011 2 June 2011

Posted by admin in activity reports, Aso, Batu Tara, Costa Rica, Dieng Volcanic Complex, Ecuador, Grímsvötn, Hawaii, Iceland, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Kliuchevskoi, Mexico, Papua New Guinea, Poás, Popocatépetl, Russia, Sakura-jima, Shiveluch, Taal, Tungurahua, Ulawun, United States, Weekly Volcanic Activity Reports.
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The Smithsonian Institution and United States Geological Survey Weekly Volcanic Activity Report has been issued for the week 25-31 May 2011. The report is compiled by Sally Kuhn Sennert. Notable volcanic events this week include:

  • Dieng Volcanic Complex: evacuations following increase in gas emissions and seismic activity
  • Grímsvötn: an eruption characterized by explosive activity and ash plumes, with limited ashfall
  • Kilauea: the level of the Pu’u’O’o lava lake continued to fluctuate
  • Taal: water temperature, acidity and water level all rose in Taal’s Main Crater Lake, and there was an increase in seismic activity

SI/USGS Weekly Volcanic Activity Report 25-31 May 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 25-31 May 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), Grímsvötn (Iceland), Kliuchevskoi (Russia), Ulawan (Papua New Guinea).

Ongoing activity: Batu Tara (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Popocatépetl (Mexico), Poás (Costa Rica), Sakura-jima (Japan), Shiveluch (Russia), Taal (Philippines), Tungurahua (Ecuador).

Note: ‘a.s.l.’ = ‘above sea level’.

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SI/USGS Weekly Volcanic Activity Report, 6-12 October 2010 14 October 2010

Posted by admin in activity reports, Arenal, Argentina, Batu Tara, Caribbean, Chile, Costa Rica, Dukono, Ecuador, eruptions, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Piton de la Fournaise, Planchón-Peteroa, Poás, Reventador, Russia, Sakura-jima, Sangay, Shiveluch, Soufrière Hills, United States, Weekly Volcanic Activity Reports.
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The Weekly Volcanic Activity Report for 6-12 October 2010 is compiled by Sally Kuhn Kennert and published by the Global Volcanism Program. Some selected highlights:

  • Piton de la Fournaise: continuing high level of activity, with elevated seismicity and summit inflation
  • Planchón-Peteroa: plumes rising to altitudes between 3 and 6 km a.s.l.
  • Poás: phreatic eruptions throw material tens of metres above the surface of the crater lake

SI/USGS Weekly Volcanic Activity Report 6-12 October 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 29 September – 5 October 2010 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: Piton de la Fournaise (Réunion Island), Planchón-Peteroa (Chile), Reventador (Ecuador).

Ongoing activity: Arenal (Costa Rica), Batu Tara (Indonesia), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Poás (Costa Rica), Sakura-jima (Japan), Sangay (Ecuador), Shiveluch (Russia), Soufrière Hills (Montserrat).

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SI/USGS Weekly Volcanic Activity Report 8-14 September 2010 16 September 2010

Posted by admin in activity reports, Alaska, Arenal, Batu Tara, Caribbean, Chile, Cleveland, Colombia, Costa Rica, Dukono, Ecuador, Ekarma, eruptions, Guatemala, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Nevado del Huila, Planchón-Peteroa, Reventador, Russia, Sakura-jima, Sangay, Santa María, Shiveluch, Sinabung, Soufrière Hills, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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The Global Volcanism Program has put together a bumper Weekly Volcanic Activity Report for 8-14 September 2010. Sally Kuhn Kennert of the GVP compiled the report. Some highlights:

  • Nevado del Huila: alert level raised following increase in seismicity and gas/ash emissions
  • Soufrière Hills: several small-to-moderate pyroclastic flows descended the dome and took parts of it down with them
  • Arenal: rumbled its way through August with gas emissions, strombolian eruptions and avalanches
  • Sinabung: threw ash plumes up to 4.3-4.6 km altitude

SI/USGS Weekly Volcanic Activity Report 8-14 September 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 8-14 September 2010 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), Ekarma (Russia), Kliuchevskoi (Russia), Nevado del Huila (Colombia), Planchón-Peteroa (Chile), Santa María (Guatemala), Sinabung (Indonesia).

Ongoing activity: Arenal (Costa Rica), Batu Tara (Indonesia), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii USA), Reventador (Ecuador), Sakura-jima (Japan), Sangay (Ecuador), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan).

Note: a.s.l. = ‘above sea level’.

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Costa Rica: simultaneous eruptions at Turrialba and Poás 15 September 2010

Posted by admin in activity reports, Costa Rica, eruptions, Poás, Turrialba.
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In volcanically active Costa Rica two volcanoes chose to erupt simultaneously yesterday, says the English-language news site Inside Costa Rica: both Turrialba and Poás erupted what journalists insist on calling ‘smoke’ early on the morning of Tuesday 14 September. As the two volcanoes are 55 kilometres apart the effect of simultaneity will have been lost on anyone actually present at either of them. The eruptions do not seem to have been particularly significant: experts from OVSICORI regard the activity as normal, with clear skies and lack of wind making the volcanoes’ habitual emissions more visible than usual. OVSICORI volcanologists will be visiting the volcanoes to evaluate the effects of the activity.

News
Turrialba and Poás volcanoes in simultaneous eruptions – Inside Costa Rica, 15 September 2010

Information
Global Volcanism Program: Poás – summary information for Poás (1405-04=)
Global Volcanism Program: Turrialba – summary information for Turrialba (1405-07=)
Observatorio Vulcanológico y Sismológico de Costa Rica – OVSICORI website

The Volcanism Blog

SI/USGS Weekly Volcanic Activity Report 11-17 August 2010 18 August 2010

Posted by admin in activity reports, Bagana, Batu Tara, Caribbean, Costa Rica, Dukono, El Salvador, eruptions, Fuego, Guatemala, Hawaii, Indonesia, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Manam, Papua New Guinea, Russia, San Miguel, Shiveluch, Soufrière Hills, Turrialba, Ulawun, United States, Weekly Volcanic Activity Reports.
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Some highlights from the Global Volcanism Program Weekly Volcanic Activity Report for 11-17 August 2010, compiled by Sally Kuhn Sennert:

  • San Miguel: seismicity increases and then declines, access restrictions remain in place
  • Fuego: explosions throw up ash plumes to nearly 5 km altitude
  • Turrialba: ash emissions; a 10-km wide plume seen on satellite imagery

SI/USGS Weekly Volcanic Activity Report 11-17 August 2010

Click on the map for a larger version (1280 x 898 pixels).

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 11-17 August 2010 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: Kilauea (Hawaii, USA), Manam (Papua New Guinea), San Miguel (El Salvador).

Ongoing activity: Bagana (Papua New Guinea), Batu Tara (Indonesia), Dukono (Indonesia), Fuego (Guatemala), Karymsky (Russia), Kliuchevskoi (Russia), Shiveluch (Russia), Soufrière Hills (Montserrat), Turrialba (Costa Rica), Ulawun (Papua New Guinea).

Note: a.s.l. = ‘above sea level’.

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SI/USGS Weekly Volcanic Activity Report 30 June – 6 July 2010 9 July 2010

Posted by admin in activity reports, Arenal, Bagana, Caribbean, Costa Rica, Dukono, Ebeko, Ecuador, eruptions, Gorely, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Miyake-jima, Papua New Guinea, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Tiatia, Tungurahua, Ulawun, United States, Weekly Volcanic Activity Reports.
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Some highlights from the last week of volcanic activity reported by the Global Volcanism Program, including an apparent revival of activity at Soufrière Hills:

  • Ebeko: explosions throwing plumes up to 1.8 km altitude, alert level raised to yellow
  • Arenal: strombolian activity shaking the glass in windows 4 km away
  • Kliuchevskoi: ash plumes to 5.3 km altitude
  • Soufrière Hills: ash venting observed for the first time since February 2010

SI/USGS Weekly Volcanic Activity Report 30 June - 6 July 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 30 June – 6 July 2010 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: Ebeko (Russia), Gorely (Russia), Tiatia (Russia), Ulawun (Papua New Guinea).

Ongoing activity: Arenal (Costa Rica), Bagana (Papua New Guinea), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii USA), Kliuchevskoi (Russia), Miyake-jima (Japan), Pagan (Mariana Islands), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat), Tungurahua (Ecuador).

Note: a.s.l. = ‘above sea level’.

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SI/USGS Weekly Volcanic Activity Report 24 February-2 March 2010 4 March 2010

Posted by admin in activity reports, Caribbean, Costa Rica, Ecuador, eruptions, Fuego, Guatemala, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mayon, Mexico, Pacaya, Philippines, Poás, Popocatépetl, Russia, Sakura-jima, Santa María, Semeru, Shiveluch, Soufrière Hills, Tungurahua, United States, Weekly Volcanic Activity Reports.
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Some highlights from the last week of volcanic activity reported by the Global Volcanism Program:

  • Poás: grey and sulphur-scented sediment thrown out by a phreatic explosion
  • Santa María: ash plumes from the Santiaguito lava dome complex reached 2.8-3.1 km altitude
  • Tungurahua: ash plumes reached 6.5-8.0 km altitude

SI/USGS Weekly Volcanic Activity Report 24 February-2 March 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 24 February-2 March 2010 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: Poás (Costa Rica), Semeru (Indonesia), Soufrière Hills (Montserrat).

Ongoing activity: Fuego (Guatemala), Karymsky (Russia), Kilauea (USA), Kliuchevskoi (Russia), Mayon (Philippines), Pacaya (Guatemala), Popocatépetl (Mexico), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Tungurahua (Ecuador).

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