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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

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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 18-24 August 2010 26 August 2010

Posted by admin in activity reports, Ambrym, Batu Tara, Caribbean, Colombia, Dukono, eruptions, Galeras, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mexico, Nicaragua, Pacific, Pagan, Papua New Guinea, Popocatépetl, Russia, Sakura-jima, San Cristóbal, Sangay, Shiveluch, Soufrière Hills, Suwanose-jima, Ulawun, United States, Vanuatu, Weekly Volcanic Activity Reports.
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Here’s the regular review of the past week’s volcanic activity, compiled by Sally Kuhn Sennert and published by the Global Volcanism Program:

  • Galeras: erupted on 25 August
  • Popocatépetl: produced a 1-km steam plume on 23 August
  • San Cristóbal: a report of a steam plume on 20 August

SI/USGS Weekly Volcanic Activity Report 18-24 August 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 18-24 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: Galeras (Colombia).

Ongoing activity: Ambrym (Vanuatu), Batu Tara (Indonesia), Dukono (Indonesia), Karymsky (Russia), Kilauea (Hawaii USA), Kliuchevskoi (Russia), Pagan (Mariana Islands), Popocatépetl (Mexico), Sakura-jima (Japan), San Cristóbal (Nicaragua), Sangay (Ecuador), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan), Ulawun (Papua New Guinea).

Note: a.s.l. = ‘above sea level’.

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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

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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 14-20 July 2010 22 July 2010

Posted by admin in activity reports, Batu Tara, Caribbean, Colombia, eruptions, Fuego, Gorely, Guatemala, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Nevado del Ruiz, Pacaya, Russia, Sakura-jima, Santa María, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, Ubinas, United States, volcanoes, Weekly Volcanic Activity Reports.
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Some highlights from the last week of volcanic activity reported by the Global Volcanism Program, including a possible eruption at Colombia’s Nevado del Ruiz:

  • Nevado del Ruiz: a 7 km plume reported, possibly from an eruption
  • Fuego: explosions producing plumes up to 4.4 km altitude
  • Santa María: lots of explosions from the Santiaguito lava dome complex

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 14-20 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: Gorely (Russia), Soufrière Hills (Montserrat), Ubinas (Peru).

Ongoing activity: Batu Tara (Indonesia), Fuego (Guatemala), Karymsky (Russia), Kilauea (Hawaii USA), Kliuchevskoi (Russia), Nevado del Ruiz (Colombia), Pacaya (Guatemala), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Suwanose-jima (Japan), Tungurahua (Ecuador).

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

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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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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

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

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 16-22 June 2010 24 June 2010

Posted by admin in activity reports, Batu Tara, Caribbean, Colombia, Dukono, Ecuador, eruptions, Etna, Gaua, Gorely, Guatemala, Hawaii, Indonesia, Ioto, Italy, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Nevado del Huila, Pacaya, Papua New Guinea, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Tiatia, Tungurahua, Ulawun, United States, Vanuatu, Weekly Volcanic Activity Reports.
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Some highlights from the last week of volcanic activity reported by the Global Volcanism Program:

  • Etna: hot landslides generate ash clouds
  • Nevado del Huila: seismicity increases, sulphur dioxide plumes detected
  • Tungurahua: steam-and-ash plumes, daily ashfall
  • Kliuchevskoi: strombolian activity
  • Sakura-jima: 550 eruptions so far in 2010, a new record for this hyper-active volcano

SI/USGS Weekly Volcanic Activity Report 16-22 June 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 16-22 June 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: Etna (Italy), Gorely (Russia), Ioto (Japan), Nevado del Huila (Colombia), Pacaya (Guatemala), Tiatia (Russia), Tungurahua (Ecuador), Ulawun (Papua New Guinea).

Ongoing activity: Batu Tara (Indonesia), Dukono (Indonesia), Gaua (Vanuatu), Karymsky (Russia), Kilauea (Hawaii USA), Kliuchevskoi (Russia), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat).

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SI/USGS Weekly Volcanic Activity Report 9-15 June 2010 22 June 2010

Posted by admin in activity reports, Alaska, Bagana, Batu Tara, Bezymianny, Caribbean, Chile, Cleveland, Dukono, Ecuador, eruptions, Eyjafjöll, Fuego, Gaua, Guatemala, Hawaii, Iceland, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Melimoyu, Mexico, Nicaragua, Pacific, Papua New Guinea, Popocatépetl, Russia, Sakura-jima, San Cristóbal, Shiveluch, Soufrière Hills, Tungurahua, Ulawun, United States, Vanuatu, Weekly Volcanic Activity Reports.
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Some highlights from the last week of volcanic activity reported by the Global Volcanism Program:

  • Melimoyu: increased seismicity leads to heightened alert level
  • Tungurahua: daily explosions and ashfall
  • Eyjafjallajökull: earthquakes, steam plumes
  • Soufrière Hills: rockfalls and pyroclastic flows

SI/USGS Weekly Volcanic Activity Report 9-15 June 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 9-15 June 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: Bezymianny (Russia), Cleveland (Alaska, USA), Melimoyu (Chile), Pacaya (Guatemala), San Cristóbal (Nicaragua), Sarigan (Mariana Islands), Tiatia (Russia), Tungurahua (Ecuador), Ulawun (Papua New Guinea).

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

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SI/USGS Weekly Volcanic Activity Report 31 March-6 April 2010 8 April 2010

Posted by admin in activity reports, Alaska, Batu Tara, Caribbean, Dukono, eruptions, Eyjafjöll, Hawaii, Iceland, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kirishima, Kliuchevskoi, Redoubt, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Suwanose-jima, 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:

  • Eyjafjöll: a new fissure opens, lava fountain activity continues
  • Kilauea: highest daily level of sulphur dioxide emissions so far in 2010 recorded on 31 March – 1,400 tonnes/day
  • Kirishima: alert level raised following eruption at Shinmoe-dake
  • Redoubt: a brief period of repetitive earthquakes in the summit region causes the alert level to be raised

SI/USGS Weekly Volcanic Activity Report 31 March - 6 April 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 31 March-6 April 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: Eyjafjöll (Iceland), Karymsky (Russia), Kirishima (Japan), Redoubt (Alaska, USA).

Ongoing activity: Batu Tara (Indonesia), Dukono (Indonesia), Kilauea (USA), Kliuchevskoi (Russia), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan)

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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

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

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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