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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

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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 2-8 June 2010 9 June 2010

Posted by admin in activity reports, Alaska, Batu Tara, Bezymianny, Cleveland, Dukono, Ecuador, eruptions, Eyjafjöll, Guatemala, Hawaii, Iceland, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mexico, Pacaya, Papua New Guinea, Philippines, Popocatépetl, Russia, Sakura-jima, Santa María, Shiveluch, Taal, 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:

  • Pacaya: strombolian activity ejects material 200 m into the air
  • Taal: elevated seismicity and inflation causing concern
  • Tungurahua: explosions, ashfall, plumes up to 9 km altitude
  • Eyjafjallajökull: fluctuating tremor, fresh ashfall, plumes up to 4.5 km altitude

SI/USGS Weekly Volcanic Activity Report 2-8 June 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 2-8 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), Pacaya (Guatemala), Taal (Philippines), Tiatia (Russia), Tungurahua (Ecuador), Ulawun (Papua New Guinea).

Ongoing activity: Batu Tara (Indonesia), Dukono (Indonesia), Eyjafjallajökull (Iceland), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Popocatépetl (Mexico), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia).

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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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SI/USGS Weekly Volcanic Activity Report 27 January-2 February 2010 4 February 2010

Posted by admin in activity reports, Africa, Caribbean, Congo (Dem. Rep.), Ecuador, eruptions, Gaua, Hawaii, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mexico, Nyamuragira, Nyiragongo, Pacific, Popocatépetl, Russia, Sakura-jima, Sangay, 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:

  • Nyiragongo: probable lava lake activity producing thermal anomalies
  • Tungurahua: roars, rumbles, explosions, lava fountains
  • Gaua: activity intensified, explosions, dark ash plumes, strombolian activity

SI/USGS Weekly Volcanic Activity Report 27 January-2 February 2010

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 27 January-2 February 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: Nyiragongo (Democratic Republic of Congo), Tungurahua (Ecuador).

Ongoing activity: Gaua (Vanuatu), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Nyamuragira (Democratic Republic of Congo), Popocatépetl (Mexico), Sakura-jima (Japan), Sangay (Ecuador), Shiveluch (Russia), Soufrière Hills (Montserrat), 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 18-24 November 2009 26 November 2009

Posted by admin in activity reports, Batu Tara, Caribbean, Chaitén, Chile, Colombia, Ecuador, eruptions, Galeras, Guatemala, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mexico, Pacaya, Papua New Guinea, Popocatépetl, Rabaul, Reventador, Russia, Sakura-jima, Santa María, Sarychev Peak, Shiveluch, Soufrière Hills, Suwanose-jima, United States, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 18-24 November 2009

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

Ongoing activity: Batu Tara (Indonesia), Chaitén (Chile), Karymsky (Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Russia), Pacaya (Guatemala), Popocatépetl (Mexico), Rabaul (Papua New Guinea), Reventador (Ecuador), Sakura-jima (Japan), Santa María (Guatemala), Shiveluch (Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan).

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Popocatépetl ash falls across Tlaxcala 23 November 2009

Posted by admin in activity reports, Mexico, Popocatépetl.
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Popocatepetl volcano, 21 November 2009 (CENAPRED)

Popocatépetl volcano had an active 24 hours over 21 and 22 November, reports CENAPRED, Mexico’s Centro Nacional de Prevención de Desastres (CENAPRED bulletins for November can be found by searching via this archive page). A magnitude 2 volcano-tectonic earthquake was recorded and there were four small eruptive events during the 24 hours preceding 11:00 local time on 22 November, the most significant of which, occuring at 18:31 local time on 21 November, produced an ash column of 3.5 km altitude. The image above, from CENAPRED’s Popocatépetl webcam to the north of the volcano, shows the situation at 18:38 local time, with incandescence and ash emissions clearly visible.

Ashfall was reported to the north and east, across the state of Tlaxcala. The Mexican press (see links below) reports that ash covered vehicles and roads in 38 municipalities in Tlaxcala, but that ash quantities were ‘minor’ and that no problems resulted. Following this event, CENAPRED reports that the volcano returned to its normal conditions.

Popocatepetl, 23 November 2009 (CENAPRED)

Since then things have indeed been quieter, with Popocatépetl producing a number of low-intensity eruptions of water vapour and gas with little no ash . The alert level for Popocatépetl remains at Level 2, Yellow (Amarillo). The webcam image above shows the volcano releasing a thin, mainly steam, plume at 10:41 local time today.

News
Caen cenizas del Popocatépetl sobre al menos 40 municipios de TlaxcalaLa Jornada, 23 November 2009
Cae ceniza volcánica en 38 municipios de TlaxcalaMilenio, 23 November 2009
Reportó el Cenapred la caída de ceniza en Atlixco, Huejotzingo y Tlaxcala el sábado pasadoLa Jornada de Oriente, 23 November 2009
Registra Don Goyo fumarola de 3 kilómetros de alturaEl Sol de Cuautla, 23 November 2009

Information
Global Volcanism Program: Popocatépetl – summary information for Popocatépetl (1401-09=)
CENAPRED – volcano monitoring information from CENAPRED

The Volcanism Blog

SI/USGS Weekly Volcanic Activity Report 11-17 November 2009 19 November 2009

Posted by admin in activity reports, Arenal, Bagana, Caribbean, Chaitén, Chile, Colombia, Costa Rica, Ecuador, eruptions, Fuego, Galeras, Guatemala, Hawaii, Japan, Kamchatka, Karymsky, Kilauea, Kizimen, Kliuchevskoi, Mayon, Mexico, Nevado del Huila, Papua New Guinea, Popocatépetl, Rabaul, Reventador, Russia, Sakura-jima, Sangay, Santa María, Shiveluch, Soufrière Hills, Suwanose-jima, United States.
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SI/USGS Weekly Volcanic Activity Report 11-17 November 2009

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 11-17 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: Galeras (Colombia), Mayon (Philippines).

Ongoing activity: Arenal (Costa Rica), Bagana (Papua New Guinea), Chaitén (Chile), Fuego (Guatemala), Karymsky (Russia), Kilauea (Hawaii, USA), Kizimen (Russia), Kliuchevskoi (Russia), Nevado del Huila (Colombia), Popocatépetl (Mexico), Rabaul (Papua New Guinea), Reventador (Ecuador), Sakura-jima (Japan), Sangay (Ecuador), Santa María (Guatemala), 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 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 30 September – 6 October 2009 8 October 2009

Posted by admin in activity reports, Alaska, Batu Tara, Caribbean, Chaitén, Chile, Cleveland, Colombia, Dukono, Ecuador, eruptions, Galeras, Gaua, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Mexico, Pacific, Papua New Guinea, Popocatépetl, Rabaul, Reventador, Russia, Sakura-jima, Sangay, Shiveluch, Soufrière Hills, Suwanose-jima, United States, Vanuatu, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 30 September to 6 October 2009

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The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report for 30 September to 6 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), Cleveland (Alaska, USA), Galeras (Colombia), Gaua (Vanuatu), Karymsky (Russia), Kliuchevskoi (Russia), Sakura-jima (Japan), Shiveluch (Russia), Soufrière Hills (Montserrat).

Ongoing activity: Batu Tara (Indonesia), Dukono (Indonesia), Kilauea (Hawaii, USA), Langila (Papua New Guinea), Popocatépetl (México), Rabaul (Papua New Guinea), Reventador (Ecuador), Sangay (Ecuador), Suwanose-jima (Japan).

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