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Scientific Investigations Report 2010–5243

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

2008 Volcanic Activity in Alaska, Kamchatka, and the Kurile Islands: Summary of Events and Response of the Alaska Volcano Observatory

By Christina A. Neal, Robert G. McGimsey, James P. Dixon, U.S. Geological Survey, Cheryl E. Cameron, Alaska Department of Geological and Geophysical Surveys, Anton A. Nuzhdaev, Institute of Volcanology and Seismology, and Marina Chibisova, Institute of Marine Geology and Geophysics

Thumbnail of and link to report PDF (8 MB)Abstract

The Alaska Volcano Observatory (AVO) responded to eruptions, possible eruptions, and volcanic unrest or suspected unrest at seven separate volcanic centers in Alaska during 2008. Significant explosive eruptions at Okmok and Kasatochi Volcanoes in July and August dominated Observatory operations in the summer and autumn. AVO maintained 24-hour staffing at the Anchorage facility from July 12 through August 28. Minor eruptive activity continued at Veniaminof and Cleveland Volcanoes. Observed volcanic unrest at Cook Inlet's Redoubt Volcano presaged a significant eruption in the spring of 2009. AVO staff also participated in hazard communication regarding eruptions or unrest at nine volcanoes in Russia as part of a collaborative role in the Kamchatka and Sakhalin Volcanic Eruption Response Teams.

First posted March 31, 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:

Neal, C.A., McGimsey, R.G., Dixon, J.P., Cameron, C.E., Nuzhdaev, A.A., and Chibisova, Marina, 2011, 2008 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 2010-5243, 94 p.



Contents

Abstract

Introduction

Volcanic Activity in Alaska, Northeast to Southwest along Aleutian Arc

Volcanic Activity, Kamchatka Peninsula, and the Northern Kurile Islands, Russia

Volcanic Activity, Central and Southern Kurile Islands

Summary

Acknowledgments

References Cited

Glossary of Selected Terms and Acronyms

Appendix 1. Volcano Alert Levels and Revised Aviation Color Codes Used by United States Volcano Observatories

Appendix 2. Level of Concern Color Codes for Volcanic Activity Used in Kamchatka and the Kurile Islands in 2008


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