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SI/USGS Weekly Volcanic Activity Report, 29 April 2009 – 5 May 2009 7 May 2009

Posted by admin in activity reports, Alaska, Asama, Bagana, Batu Tara, Chaitén, Chile, Cleveland, Colombia, Dukono, Ebeko, Ecuador, eruptions, Fernandina, Galapagos, Galeras, Hawaii, Indonesia, Japan, Kamchatka, Karymsky, Kilauea, Krakatau, Mexico, Papua New Guinea, Popocatépetl, Rabaul, Redoubt, Reventador, Rinjani, Russia, Sakura-jima, Shishaldin, Slamet, Suwanose-jima, Tungurahua, United States, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 29 April 2009 - 5 May 2009

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report covering 29 April 2009 to 5 May 2009 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity: Bagana (Papua New Guinea), Fernandina (Galapagos Islands), Galeras (Colombia), Krakatau (Indonesia), Reventador (Ecuador), Rinjani (Lombok Island, Indonesia), Shiveluch (Kamchatka, Russia), Slamet (Java, Indonesia).

Ongoing activity: Asama (Japan), Batu Tara (Komba Island, Indonesia), Chaitén (Chile), Cleveland (Alaska, USA), Dukono (Halmahera, Indonesia), Ebeko (Paramushir Island, Russia), Karymsky (Kamchatka, Russia), Kilauea (Hawaii, USA), Popocatépetl (Mexico), Rabaul (Papua New Guinea), Redoubt (Alaska, USA), Sakura-jima (Japan), Suwanose-jima (Japan), Tungurahua (Ecuador).

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SI/USGS Weekly Volcanic Activity Report, 15 April 2009 – 21 April 2009 23 April 2009

Posted by admin in activity reports, Alaska, Batu Tara, Chaitén, Chile, Colombia, Ebeko, Ecuador, eruptions, Fernandina, Galapagos, Hawaii, Japan, Kamchatka, Karymsky, Kilauea, Kliuchevskoi, Koryaksky, Nevado del Huila, Pacific, Paluweh, Papua New Guinea, Rabaul, Redoubt, Russia, Shiveluch, Suwanose-jima, Tungurahua, United States.
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SI/USGS Weekly Volcanic Activity Report 15 April 2009 - 21 April 2009

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report covering 15 April 2009 to 21 April 2009 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity: Ebeko (Paramushir Island), Fernandina (Galapagos Islands, Ecuador), Kliuchevskoi (Kamchatka, Russia), NW Rota-1 (Mariana Islands), Pagan (Mariana Islands), Paluweh (Lesser Sunda Islands, Indonesia).

Ongoing activity: Batu Tara (Komba Island, Indonesia), Chaitén (Chile), Karymsky (Kamchatka, Russia), Kilauea (Hawaii, USA), Koryaksky (Kamchatka, Russia), Nevado del Huila (Colombia), Rabaul (Papua New Guinea), Redoubt (Alaska, USA), Shiveluch (Kamchatka, Russia), Suwanose-jima (Japan), Tungurahua (Ecuador).

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Volcano images from NASA Earth Observatory 19 April 2009

Posted by admin in Alaska, Chile, Ecuador, Fernandina, Llaima, NASA Earth Observatory, Pacific, Papua New Guinea, Rabaul, Redoubt, Tonga, United States, volcano images.
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A lot has been going on around the world, volcanically speaking, over the past few weeks, and the NASA Earth Observatory has been featuring some wonderful satellite imagery of current volcanic events.

Submarine eruption in the Tonga Islands (NASA image, 26 March 2009)
Submarine eruption in the Tonga Islands (acquired 26 March 2009): an ASTER image from NASA’s Terra satellite showing new land created by the eruption at Hunga Ha’apai, sediment-laden water around the island, and evidence of the destruction of vegetation by the volcanic action.

Plume from Mount Redoubt (NASA image, 26 March 2009)
Plume from Mount Redoubt (acquired 26 March 2009): a series of images captured by the Geostationary Operational Environmental Satellite (GOES) of the plume produced by Mount Redoubt between 09:00 and 11:30 local time on 26 March 2009.

Plume from Rabaul volcano (NASA image, 3 April 2009)
Plume from Rabaul Volcano (acquired 3 April 2009): a MODIS image from NASA’s Aqua satellite shows an off-white plume (suggesting mainly water vapour content) from Rabaul blowing away to the south-east.

Sulfur dioxide plume from Isla Fernandina (NASA image, 14 April 2009)
Sulfur dioxide plume from Isla Fernandina (aquired 14 April 2009): the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite captured data on the SO2 plume emitted by the eruption of Fernandina in the Galapagos Islands.

Plume from Mount Pagan (NASA image, 15 April 2009)
Plume from Mount Pagan (acquired 15 April 2009): a MODIS image from NASA’s Terra satellite shows a gas-and-steam plume released by an eruption of Mount Pagan in the Mariana Islands.

Eruption from Llaima volcano, Chile (NASA image, 16 April 2009)
Eruption from Llaima volcano, Chile (acquired 16 April 2009): the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite captured a stunning unobstructed view of Llaima’s barren, lava-layered summit area.

The NASA Earth Observatory is currently celebrating its 10th anniversary, and is inviting everyone to vote on their favourite Images of the Day from the last ten years of wonderful satellite imagery. Seven of the fifty finalists are volcano-related, and any one of them would be a worthy winner.

The Volcanism Blog

The eruption at Fernandina, Galapagos Islands 17 April 2009

Posted by admin in activity reports, Ecuador, eruptions, Fernandina, Galapagos, natural hazards.
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Fernandina, 12 April 2009 (O. Caraval - DPNG)
Fernandina, Galapagos Islands, 12 April 2009: detail of the vents in the radial fissure where the lava flows originate (photograph O. Carvajal, Parque Nacional Galápagos, courtesy Instituto Geofísico, Ecuador).

There’s always some interesting volcano somewhere that waits until this blog is on holiday and then erupts. This time it was Fernandina (also known as La Cumbre) in the Galapagos Islands, which began to erupt over 10/11 April 2009. Fortunately Dr Klemetti at Eruptions was not on holiday and has very full and informative coverage: Fernandina at Eruptions.

The latest reports in Ecuador focus on the damage the eruption has done to wildlife around the volcano. El Comercio quotes a Galapagos National Park spokesman reporting that fish and fur seals have been killed by the entry of lava into the ocean, but also pointing out that there is nothing unnatural about volcanic activity: this eruption ‘is part of the processes of the shaping and evolution of the ecosystem’.

Information
Global Volcanism Program: Fernandina – summary information for Fernandina (1503-01=)
Instituto Geofísico (Escuela Politecnica Nacional) – Geophysical Institute of Ecuador

The Volcanism Blog

SI/USGS Weekly Volcanic Activity Report, 8 April 2009 – 14 April 2009 16 April 2009

Posted by admin in activity reports, Alaska, Arenal, Batu Tara, Caribbean, Chaitén, Chile, Colima, Costa Rica, Dukono, Ebeko, Ecuador, eruptions, Fernandina, Galapagos, Hawaii, Indonesia, Japan, Karymsky, Kilauea, Kliuchevskoi, Koryaksky, Llaima, Mexico, Papua New Guinea, Rabaul, Redoubt, Russia, Sakura-jima, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 8 April 2009 - 14 April 2009

The Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report covering 8 April 2009 to 14 April 2009 is available on the Global Volcanism Program website. The following is a summary and not a substitute for the full report.

New activity: Ebeko (Paramushir Island), Fernandina (Galapagos Islands, Ecuador), Kliuchevskoi (Kamchatka, Russia), Llaima (Chile), Miyake-jima (Japan), Redoubt (Alaska, USA), Sakura-jima (Japan).

Ongoing activity: Arenal (Costa Rica), Batu Tara (Komba Island, Indonesia), Chaitén (Chile), Colima (Mexico), Dukono (Halmahera, Indonesia), Karymsky (Kamchatka, Russia), Kilauea (Hawaii, USA), Koryaksky (Kamchatka, Russia), Rabaul (Papua New Guinea), Shiveluch (Kamchatka, Russia), Soufrière Hills (Montserrat), Suwanose-jima (Japan), Tungurahua (Ecuador).

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