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SI/USGS Weekly Volcanic Activity Report, 13-19 October 2010 23 October 2010

Posted by admin in activity reports, Caribbean, Chile, Ecuador, eruptions, Gorely, Hawaii, Indian Ocean, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Piton de la Fournaise, Planchón-Peteroa, Russia, Sakura-jima, Sangay, Shiveluch, Soufrière Hills, Suwanose-jima, United States, Villarrica, Weekly Volcanic Activity Reports.
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The Weekly Volcanic Activity Report for 13-19 October 2010 is compiled by Sally Kuhn Kennert and published by the Global Volcanism Program. Some selected highlights:

  • Piton de la Fournaise: eruption began on 14 October
  • Gorely: seismic restlessness at this Kamchatka volcano
  • Shiveluch: elevated seismic activity, gas, steam and ash plumes

SI/USGS Weekly Volcanic Activity Report 13-19 October 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 13-19 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).

Ongoing activity: Gorely (Russia), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Planchón-Peteroa (Chile), Sakura-jima (Japan), Sangay (Ecuador), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan), Villarrica (Chile).

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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, 29 September – 5 October 2010 7 October 2010

Posted by admin in activity reports, Bagana, Batu Tara, Caribbean, Chile, Colombia, Dukono, Ecuador, eruptions, Fuego, Guatemala, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mexico, Nevado del Huila, Nevado del Ruiz, Pacaya, Papua New Guinea, Piton de la Fournaise, Planchón-Peteroa, Popocatépetl, Reventador, Russia, Sakura-jima, Sarychev Peak, Shiveluch, Soufrière Hills, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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The Weekly Volcanic Activity Report for 29 September to 5 October 2010 is compiled by Sally Kuhn Kennert and published by the Global Volcanism Program. Some selected highlights:

  • Nevado del Huila: ash emissions reported at an altitude of 7.6 km
  • Nevado del Ruiz: increased seismicity, deformation and geochemical changes causing concern
  • Kilauea: a new breakout lava flow causes fires
  • Sarychev Peak: a diffuse ash plume reported

SI/USGS Weekly Volcanic Activity Report 29 September - 5 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: Nevado del Huila (Colombia), Nevado del Ruiz (Colombia), Piton de la Fournaise (Réunion Island), Planchón-Peteroa (Chile), Reventador (Ecuador).

Ongoing activity: Bagana (Papua New Guinea), Batu Tara (Indonesia), Dukono (Indonesia), Fuego (Guatemala), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Pacaya (Guatemala), Popocatépetl (Mexico), Sakura-jima (Japan), Sarychev Peak (Russia), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan).

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SI/USGS Weekly Volcanic Activity Report, 22-28 September 2010 30 September 2010

Posted by admin in activity reports, Alaska, Caribbean, Chile, Cleveland, Dukono, Ecuador, eruptions, Hawaii, Indian Ocean, Indonesia, Japan, Kamchatka, Karangetang, Karymsky, Kilauea, Kliuchevskoi, Merapi, Piton de la Fournaise, Planchón-Peteroa, Reventador, Russia, Sakura-jima, Shiveluch, Sinabung, Soufrière Hills, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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Here is the Weekly Volcanic Activity Report for 22-28 September 2010, published by the Global Volcanism Program and compiled by Sally Kuhn Kennert. Some highlights:

  • Merapi: increased seismicity and inflation detected
  • Piton de la Fournaise: significant increase in seismic activity – signs that eruption is imminent
  • Reventador: three seismic events including episodes of tremor detected

SI/USGS Weekly Volcanic Activity Report 22-28 September 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 22-28 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: Karangetang [Api Siau] (Indonesia), Kliuchevskoi (Russia), Merapi (Indonesia), Piton de la Fournaise, Reunion Island | Planchón-Peteroa, Central Chile-Argentina border | Sinabung, Sumatra (Indonesia).

Ongoing activity: Cleveland (Alaska, USA), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Reventador (Ecuador), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan).

Note: a.s.l. = ‘above sea level’.

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Increased activity at Reventador 29 September 2010

Posted by admin in activity reports, Ecuador, Reventador.
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Ecuador’s Instituto Geofísico (IG) is reporting increased activity at Reventador, with an increase in seismicity from ‘low’ to ‘moderate’, episodes of tremor, and a number of small explosions having been observed.

In a special bulletin (PDF) issued yesterday, the IG reports that ‘three pulses of activity’ were recorded on the morning of 27 September: a pulse of harmonic tremor from 07:05 to 08:43 (all times are local), an episode of tremor for 30 minutes from 09:07 with higher amplitude than the first pulse, and which was associated with a grey plume of water vapour with a small amount of ash that rose 400-500 metres above the summit; and a third pulse which began at 09:49 and lasted for 17 minutes and produced a grey plume of water vapour with moderate ash content, which reached higher than 1 km above the summit. Washington VAAC has issued four ash advisories reporting ‘possible ash emissions’ from Reventador moving north-west from the volcano.

UPDATE. Erik has more information over at Eruptions: Increased activity at El Reventador in Ecuador.

News
Se incrementa actividad de volcán en EcuadorEl Nuevo Herald, 28 September 2010

Information
Global Volcanism Program: Reventador – summary information for Reventador (1502-01=)
Instituto Geofísico – Geophysical Institute of Ecuador

The Volcanism Blog

SI/USGS Weekly Volcanic Activity Report 15-21 September 2010 23 September 2010

Posted by admin in activity reports, Alaska, Batu Tara, Chile, Cleveland, Colombia, Dukono, Ecuador, eruptions, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Machín, Manam, Papua New Guinea, Planchón-Peteroa, Russia, Sakura-jima, Sangay, Shiveluch, Sinabung, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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Here is the Weekly Volcanic Activity Report for 15-21 September 2010, published by the Global Volcanism Program and compiled by Sally Kuhn Kennert. Some highlights:

  • Cleveland: a thermal anomaly has been detected
  • Machín: elevated seismic activity including shallow volcanic-tectonic earthquakes beneath the lava dome
  • Planchón-Peteroa: an ash plume reached an altitude of 6.1 km

SI/USGS Weekly Volcanic Activity Report 15-21 September 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 15-21 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), Kliuchevskoi (Russia), Machín (Colombia), Manam (Papua New Guinea), Planchón-Peteroa (Chile), Sinabung (Indonesia).

Ongoing activity: Batu Tara (Indonesia), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Sakura-jima (Japan), Sangay (Ecuador), Shiveluch (Russia), Suwanose-jima (Japan).

Note: a.s.l. = ‘above sea level’.

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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

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

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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SI/USGS Weekly Volcanic Activity Report 1-7 September 2010 9 September 2010

Posted by admin in activity reports, Alaska, Batu Tara, Bezymianny, Chile, Cleveland, Dukono, Ecuador, Ekarma, eruptions, Etna, Guatemala, Hawaii, Indonesia, Italy, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Manam, Pacaya, Papua New Guinea, Planchón-Peteroa, Russia, Sakura-jima, Sangay, Seulawah Agam, Shiveluch, Sinabung, United States, Villarrica, Weekly Volcanic Activity Reports.
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Another week, another Weekly Volcanic Activity Report from the volcano-watchers of the Global Volcanism Program. The report is compiled by Sally Kuhn Sennert.

  • Ekarma: continuing strong steam-and-gas emissions
  • Etna: a powerful explosion followed by ash emissions on 25 August
  • Planchón-Peteroa: an explosive eruption on 6 September
  • Kliuchevskoi: a possible eruption on 3 September

SI/USGS Weekly Volcanic Activity Report 1-7 September 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 1-7 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: Ekarma (Russia), Etna (Italy), Kliuchevskoi (Russia), Manam (Papua New Guinea), Planchón-Peteroa (Chile), Seulawah Agam (Indonesia), Sinabung (Indonesia), Villarrica (Chile).

Ongoing activity: Batu Tara (Indonesia), Bezymianny (Russia), Cleveland (Alaska, USA), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii USA), Pacaya (Guatemala), Sakura-jima (Japan), Sangay (Ecuador), Santa María (Guatemala), Shiveluch (Russia).

Note: a.s.l. = ‘above sea level’.

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SI/USGS Weekly Volcanic Activity Report 25-31 August 2010 1 September 2010

Posted by admin in activity reports, Alaska, Batu Tara, Caribbean, Cleveland, Colombia, Dukono, Ecuador, Ekarma, eruptions, Galeras, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Manam, Nevado del Huila, Papua New Guinea, Reventador, Russia, Sakura-jima, Sangay, Shiveluch, Sinabung, Soufrière Hills, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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Some highlights from a very full week of volcanic activity as reported by the Global Volcanism Program (report compiled by Sally Kuhn Sennert):

  • Ekarma: a steam plume and evidence of a possible recent small eruption reported from this volcano in the Kuril Islands
  • Galeras: an eruption on 25 August, and ashfall up to 30 km from the vent
  • Sinabung: two significant eruptions cause the evacuation of 20,000 to 30,000 local residents
  • Nevado del Huila: ash emissions accompanied by tremor

SI/USGS Weekly Volcanic Activity Report 25-31 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 25-31 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: Ekarma (Russia), Galeras (Colombia), Manam (Papua New Guinea), Sinabung (Indonesia).

Ongoing activity: Batu Tara (Indonesia), Cleveland (Alaska, USA), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii USA), Kliuchevskoi (Russia), Nevado del Huila (Colombia), 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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SI/USGS Weekly Volcanic Activity Report 7-13 July 2010 14 July 2010

Posted by admin in activity reports, Bagana, Caribbean, Dukono, Ecuador, eruptions, Guatemala, Hawaii, Indonesia, Italy, Japan, Kamchatka, Karymsky, Kilauea, Kirishima, Kliuchevskoi, Pacaya, Papua New Guinea, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Stromboli, Tungurahua, Ulawun, United States, Weekly Volcanic Activity Reports.
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Some highlights from the last week of volcanic activity courtesy the Global Volcanism Program and Sally Kuhn Sennert, including more seismic restlessness and ash venting at Soufrière Hills and some big bangs at Stromboli:

  • Soufrière Hills: seismic swarms, ash venting, ashfall, some rumbling and roaring
  • Stromboli: two major explosive events at the ever-active ‘Lighthouse of the Mediterranean’
  • Pacaya: an explosion produces ash and tephra fall, provoking small-scale evacuations

SI/USGS Weekly Volcanic Activity Report 7-13 July 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 7-13 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: Soufrière Hills (Montserrat), Stromboli (Italy).

Ongoing activity: Bagana (Papua New Guinea), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii USA), Kirishima (Japan), Kliuchevskoi (Russia), Pacaya (Guatemala), Sakura-jima (Japan), Shiveluch (Russia), Tungurahua (Ecuador), Ulawun (Papua New Guinea).

Note: a.s.l. = ‘above sea level’.

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