Scientific Investigations Report 2010–5242
The Alaska Volcano Observatory (AVO) responded to eruptions, possible eruptions, and volcanic unrest at or near nine separate volcanic centers in Alaska during 2007. The year was highlighted by the eruption of Pavlof, one of Alaska's most frequently active volcanoes. Glaciated Fourpeaked Mountain, a volcano thought to have been inactive in the Holocene, produced a phreatic eruption in the autumn of 2006 and continued to emit copious amounts of steam and volcanic gas into 2007. Redoubt Volcano showed the first signs of the unrest that would unfold in 2008–09. AVO staff also participated in hazard communication and monitoring of multiple eruptions at seven volcanoes in Russia as part of its collaborative role in the Kamchatka and Sakhalin Volcanic Eruption Response Teams.
First posted March 8, 2011
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McGimsey, R.G., Neal, C.A., Dixon, J.P., Malik, Nataliya, and Chibisova, Marina, 2011, 2007 Volcanic activity in Alaska, Kamchatka, and the Kurile Islands: Summary of events and response of the Alaska Volcano Observatory: U.S. Geological Survey Scientific Investigations Report 2010–5242, 110 p.
Volcanic Activity in Alaska, Northeast to Southwest along Aleutian Arc
Miscellaneous Observations and Activity
Volcanic Activity, Kamchatka Peninsula, and the Northern Kurile Island, Russia
Volcanic Activity, Central and Southern Kurile Islands
Sources of Photographs in this Report and Other Images of Alaska and Russia
Glossary of Selected Terms and Acronyms
Appendix 1. Volcano Alert Levels and Revised Aviation Color Codes Used by United States Observatories
Appendix 2. Level of Concern Color Code for Volcanic Activity Used in Kamchatka and the Kurile Islands in 2007