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SI/USGS Weekly Volcanic Activity Report, 20-26 October 2010 29 October 2010

Posted by admin in activity reports, Chaitén, Chile, eruptions, Fuego, Guatemala, Hawaii, Indian Ocean, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Manam, Merapi, Pacaya, Papua New Guinea, Piton de la Fournaise, Russia, Sakura-jima, Santa María, Shiveluch, Suwanose-jima, United States, Villarrica, Weekly Volcanic Activity Reports.
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The Weekly Volcanic Activity Report for 20-26 October 2010 is compiled by Sally Kuhn Kennert and published by the Global Volcanism Program. It’s been a volcanically lively week. Some selected highlights:

  • Kliuchevskoi: explosive activity
  • Merapi: an explosive eruption brings evacuations and fatalities
  • Piton de la Fournaise: eruptive activity continues

SI/USGS Weekly Volcanic Activity Report 20-26 October 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 20-26 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: Kliuchevskoi (Russia), Merapi (Indonesia), Piton de la Fournaise (Réunion Island).

Ongoing activity: Chaitén (Chile), Fuego (Guatemala), Karymsky (Russia), Kilauea (Hawaii, USA), Manam (Papua New Guinea), Pacaya (Guatemala), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Suwanose-jima (Japan), Villarrica (Chile).

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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, 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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SI/USGS Weekly Volcanic Activity Report 20-26 January 2010 28 January 2010

Posted by admin in activity reports, Barren Island, Batu Tara, Caribbean, Chaitén, Chile, Ecuador, eruptions, Fuego, Gaua, Guatemala, Hawaii, Indian Ocean, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Llaima, Pacific, Russia, Sakura-jima, Santa María, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, United States, Vanuatu, Weekly Volcanic Activity Reports.
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Some of the volcanic activity headlines this week:

  • Soufrière Hills: cycles of vigorous activity – ash venting, rockfalls, pyroclastic flows
  • Tungurahua: explosions, loud roars and rumbles, frequent ashfall
  • Kliuchevskoi: strombolian activity, phreatic explosions producing plumes up to 8 km a.s.l.

SI/USGS Weekly Volcanic Activity Report 20-26 January 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 20-26 January 2010 is 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), Tungurahua (Ecuador).

Ongoing activity: Barren Island (India), Batu Tara (Indonesia), Chaitén (Chile), Fuego (Guatemala), Gaua (Vanuatu), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Llaima (Chile), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Suwanose-jima (Japan).

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SI/USGS Weekly Volcanic Activity Report 6-12 January 2010 13 January 2010

Posted by admin in activity reports, Africa, Alaska, Barren Island, Caribbean, Chaitén, Chile, Congo (Dem. Rep.), Costa Rica, Ecuador, eruptions, Fuego, Guatemala, Hawaii, India, Indian Ocean, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mayon, Mexico, Nyamuragira, Pacaya, Papua New Guinea, Philippines, Piton de la Fournaise, Popocatépetl, Rabaul, Redoubt, Russia, Sakura-jima, Santa María, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, Turrialba, United States, Weekly Volcanic Activity Reports.
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Some of the volcanic activity headlines this week:

  • Mayon: alert level lowered to 2
  • Redoubt: alert level lowered to Normal/Green
  • Tungurahua: gas-and-ash plume rose to 6.5 km altitude
  • Shiveluch: ash plumes reported rising to 4.3-6.4 km altitude
  • Soufrière Hills: extensive pyroclastic flows

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

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 6-12 January 2010 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Mayon (Philippines), Nyamuragira (Democratic Republic of Congo), Piton de la Fournaise (Réunion), Tungurahua (Ecuador), Turrialba (Costa Rica).

Ongoing activity: Barren Island (India), Chaitén (Chile), Fuego (Guatemala), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Pacaya (Guatemala), Popocatépetl (Mexico), Rabaul (Papua New Guinea), Redoubt (Alaska, USA), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan).

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SI/USGS Weekly Volcanic Activity Report 30 December 2009-5 January 2010 9 January 2010

Posted by admin in activity reports, Africa, Barren Island, Caribbean, Chaitén, Chile, Colombia, Congo (Dem. Rep.), Costa Rica, Ecuador, eruptions, Galeras, Guatemala, Hawaii, India, Indian Ocean, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mayon, Nevado del Huila, Nyamuragira, Papua New Guinea, Philippines, Piton de la Fournaise, Rabaul, Rinjani, Russia, Sakura-jima, Sangay, Santa María, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, Turrialba, United States, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 30 December 2009 - 5 January 2010

Click on the map for a larger version (1280 x 898 pixels). The map title gives the end of the period covered as 6 January 2010, it should be 5 January 2010. Sorry about that.

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 30 December 2009 – 5 January 2010 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Galeras (Colombia), Mayon (Philippines), Nyamuragira (Democratic Republic of Congo), Piton de la Fournaise (Réunion), Rinjani (Indonesia), Tungurahua (Ecuador), Turrialba (Costa Rica).

Ongoing activity: Barren Island (India), Chaitén (Chile), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Nevado del Huila (Colombia), Rabaul (Papua New Guinea), Sakura-jima (Japan), Sangay (Ecuador), Santa María (Guatemala), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan).

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Piton de la Fournaise erupts its way into 2010 2 January 2010

Posted by admin in activity reports, eruptions, France, Indian Ocean, Piton de la Fournaise.
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Piton de la Fournaise volcano on the French Indian Ocean island of Réunion, one of the world’s most active volcanoes, entered a highly active phase in the autumn of 2009 which shows every sign of continuing into 2010. The new year was but a few hours old when a new eruption got under way, as the Piton de la Fournaise observatory run by the Institut de Physique du Globe de Paris reports:

Piton de la Fournaise volcano erupted today 2 January 2010 at 14:30 local time (GMT +4). The eruptive fissure is situated in the cliff around the Bory and Dolomieu summit craters. Some lava fountains tens of metres in height have been observed during a reconnaissance jointly carried out by the Gendarmerie Nationale (PGHM) and the Piton de la Fournaise Volcanological Observatory. During this reconnaissance, lava flows were observed flowing in the interior of Dolomieu crater. significant landslides and cliff collapses within Bory crater were also recorded. These collapses fuel eruption plumes of ash and gases that are rising above the summit craters of Piton de la Fournaise.

This eruption was preceded over two hours by a seismic crisis commencing at 12:00 local time. A small plume of volcanic gas from the eruptive zone was already observed around 12:00. After some minutes of calm, an eruptive tremor appeared on the screens of the seismological network of the observatory at 14:25.

There are some fine pictures of the eruption, headlined ‘images of the first eruption of the year’, at the website of the Journal de l’Ile de la Réunion.

[Thanks go to Boris Behncke.]

Information
Global Volcanism Program: Piton de la Fournaise – information about Piton de la Fournaise (0303-02=)
Observatoire Volcanologique du Piton de la Fournaise – the volcanological observatory on Réunion
Volcan Piton de la Fournaise – information and frequent updates on Piton de la Fournaise from Activolcans
Fournaise.info – informative and richly-illustrated site devoted to Piton de la Fournaise

The Volcanism Blog

SI/USGS Weekly Volcanic Activity Report 28 October – 3 November 2009 5 November 2009

Posted by admin in activity reports, Barren Island, Caribbean, Chaitén, Chile, Colombia, Dukono, Ebeko, eruptions, Galeras, Hawaii, India, Indian Ocean, Indonesia, Japan, Kamchatka, Karangetang, Karymsky, Kilauea, Kliuchevskoi, Krakatau, Manam, Mexico, Nevado del Huila, Papua New Guinea, Popocatépetl, Rabaul, Sakura-jima, Shiveluch, Soufrière Hills, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 28 October - 3 November 2009

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 28 October – 3 November 2009 is 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), Galeras (Colombia), Karangetang [Api Siau] (Indonesia), Manam (Papua New Guinea), Nevado del Huila (Colombia), Soufrière Hills (Montserrat).

Ongoing activity: Barren Island (India), Chaitén (Chile), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Krakatau (Indonesia), Popocatépetl (Mexico), Rabaul (Papua New Guinea), Sakura-jima (Japan), Shiveluch (Russia), Suwanose-jima (Japan).

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SI/USGS Weekly Volcanic Activity Report 14-20 October 2009 22 October 2009

Posted by admin in activity reports, Alaska, Bagana, Batu Tara, Caribbean, Chaitén, Chile, Cleveland, Colombia, Dukono, Ebeko, Ecuador, eruptions, Gaua, Hawaii, Indian Ocean, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Kliuchevskoi, Nevado del Huila, Pacific, Papua New Guinea, Piton de la Fournaise, Rabaul, Reventador, Russia, Sakura-jima, Shishaldin, Shiveluch, Soufrière Hills, United States, Vanuatu, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 14-20 October 2009

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 14-20 October 2009 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Chaitén (Chile), Ebeko (Russia), Gaua (Vanuatu), Kaba (Indonesia), Kizimen (Russia), Kliuchevskoi (Russia), Nevado del Huila (Colombia), Piton de la Fournaise (Réunion), Reventador (Ecuador), Soufrière Hills (Montserrat).

Ongoing activity: Bagana (Papua New Guinea), Batu Tara (Indonesia), Cleveland (Alaska, USA), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii, USA), Rabaul (Papua New Guinea), Sakura-jima (Japan), Sangay (Ecuador), Shishaldin (Alaska, USA), Shiveluch (Russia).

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SI/USGS Weekly Volcanic Activity Report 7-13 October 2009 15 October 2009

Posted by admin in activity reports, Arenal, Bagana, Batu Tara, Caribbean, Costa Rica, Dukono, eruptions, Fuego, Hawaii, Indian Ocean, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Kliuchevskoi, Papua New Guinea, Piton de la Fournaise, Rabaul, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Suwanose-jima, United States.
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SI/USGS Weekly Volcanic Activity Report 7-13 October 2009

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 7-13 October 2009 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity/unrest: Karymsky (Russia), Kizimen (Russia), Kliuchevskoi (Russia), Piton de la Fournaise (Réunion), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat).

Ongoing activity: Arenal (Costa Rica), Bagana (Papua New Guinea), Batu Tara (Indonesia), Dukono (Indonesia), Fuego (Guatemala), Kilauea (Hawaii, USA), Rabaul (Papua New Guinea), Suwanose-jima (Japan).

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