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SI/USGS Weekly Volcanic Activity Report, 7 January 2009 – 13 January 2009 15 January 2009

Posted by admin in activity reports, Barren Island, Batu Tara, Chaitén, Dukono, eruptions, Etna, Fuego, Karymsky, Kilauea, Kliuchevskoi, Llaima, Rabaul, Sakura-jima, Shishaldin, Shiveluch, Soufrière Hills, Suwanose-jima, Tungurahua, Ubinas, Weekly Volcanic Activity Reports.
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SI/USGS Weekly Volcanic Activity Report 7 January 2009 - 13 January 2009

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

New activity: Rabaul (Papua New Guinea), Shishaldin (Alaska, USA), Soufriere Hills (Montserrat), Tungurahua (Ecuador), Yasur (Vanuatu).

Ongoing activity: Barren Island (Andaman Islands), Batu Tara (Komba Island, Indonesia), Chaiten (Chile), Dukono (Halmahera, Indonesia), Etna (Italy), Fuego (Guatemala), Karymsky (Kamchatka, Russia), Kilauea (Hawaii, USA), Kliuchevskoi (Kamchatka, Russia), Llaima (Chile), Sakura-jima (Japan), Shiveluch (Kamchatka, Russia), Suwanose-jima (Japan), Ubinas (Peru).

NEW ACTIVITY

Rabaul (Papua New Guinea): 3-14 Jan 09, ash plumes from Tavurvur cone rose to 1.7km, explosions ejected incandescent lava, ashfall affected areas downwind; 11-12 Jan 09, ash plumes rose to 2.4km a.s.l.; 11-13 Jan 09, fumarolic activity and ash ejected from new vents on Tavurvur cone, ash plumes to 200-500m a.s.l.

Shishaldin (Alaska, USA): 7-10 Jan 09, thermal anomalies reported at the summit.

Soufrière Hills (Montserrat): 2-3 Jan 09, elevated seismicity, pyroclastic flows, explosions producing ash plumes to >10.7km a.s.l.with extensive ashfall.

Tungurahua (Ecuador): 7-10 & 12 Jan 09, steam and ash plumes to 6-6.5km a.s.l., incandescent blocks ejected, extensive ashfall.

Yasur (Vanuatu): ash plume to 4km a.s.l., no date given.

ONGOING ACTIVITY

Barren Island (Andaman Islands): 7-8 & 10-11 Jan 09, ash plumes to 1.8-2.4km a.s.l.

Batu Tara (Komba Island, Indonesia): 7 Jan 09, ash plumes to 2.4km a.s.l.

Chaitén (Chile): 29 Dec 08 – 9 Jan 09, New Dome 2 continued to grow and generate a steam and ash plume to 2.6-3.1km a.s.l., frequent block and ash flows from spine collapses.

Dukono (Halmahera, Indonesia): 7 Jan 09, ash plume to 1.7km.

Etna (Italy): 5-11 Jan 09, summit activity reported, continuing degassing and fissure lava flows.

Fuego (Guatemala): 8-9 Jan 09, multiple explosions produced ash plumes to 4.3-5.4km a.s.l., ashfall reported, continual avalanches of blocks.

Karymsky (Kamchatka, Russia): 7 Jan 09, thermal anomaly at the crater reported.

Kilauea (Hawaii, USA): 7-13 Jan 09, lava flows and phreatic explosions at ocean entry, surface flows and incandesence.

Kliuchevskoi (Kamchatka, Russia): 1-9 Jan 09, seismic activity elevated above background levels, daily thermal anomaly, ash plumes and ashfall reported.

Llaima (Chile): 30 Dec 08 – 6 Jan 09: ash emissions and gas plumes emitted by cones within the main crater.

Sakura-jima (Japan): 9 Jan 09, explosion generated plume to 2.4km a.s.l.

Shiveluch (Kamchatka, Russia): 2-9 Jan 09, seismic activity elevated above background levels, ash plumes to 8.8km a.s.l. (7 Jan 09) and 5.7km a.s.l. (2-6 & 9 Jan 09), ash and steam emissions on 2, 4 & 6 Jan 09, daily thermal anomaly reported.

Suwanose-jima (Japan): 9 Jan 09, explosion reported.

Ubinas (Peru): 11 Jan 09, ash plume to 7.3km a.s.l.

ACKNOWLEDGEMENTS AND DISCLAIMER

The foregoing is a summary of the Smithsonian Institution/United States Geological Survey Weekly Volcanic Activity Report covering 7 January 2009 to 13 January 2009. It is provided for information only, and is based on but not a substitute for the full report, which comes with its own criteria and disclaimers. The map base is derived from the Smithsonian Institution/USGS/US Naval Research Laboratory This Dynamic Planet website.

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