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Scientific Investigations Report 2010–5242

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The Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys. The Alaska Volcano Observatory is funded by the U.S. Geological Survey Volcano Hazards Program and the State of Alaska

2007 Volcanic Activity in Alaska, Kamchatka, and the Kurile Islands: Summary of Events and Response of the Alaska Volcano Observatory

By Robert G. McGimsey, Christina A. Neal, James P. Dixon, U.S. Geological Survey; Nataliya Malik, Institute of Volcanology and Seismology; and Marina Chibisova, Institute of Marine Geology and Geohysics

Thumbnail of and link to report PDF (14.6 MB)Abstract

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

For additional information contact:
Director, Volcano Science Center
U.S. Geological Survey
4200 University Drive
Anchorage, Alaska 99508
http://volcanoes.usgs.gov/

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Suggested citation:

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.


Contents

Abstract

Introduction

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

Summary

Acknowledgments

Sources of Photographs in this Report and Other Images of Alaska and Russia

References Cited

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

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