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U.S. Geological Survey Open-File Report 2010-1141

Photographic Documentation of the Evolution of Crater Glacier, Mount St. Helens, Washington, September 2006–November 2009

By Joseph S. Walder, Steven P. Schilling, David R. Sherrod, and James W. Vallance

ABSTRACT

Thumbnail of and link to report PDF (21.3 MB)

Lava-dome emplacement through a glacier was observed for the first time during the 2004–08 eruption of Mount St. Helens and documented using photography, photogrammetry, and geodetic measurements. Previously published reports present such documentation through September 2006; this report extends that documentation until November 2009.

  • This report is available only on the Web.

For additional information:
Contact CVO
Volcano Science Center, Cascades Volcano Observatory
U.S. Geological Survey
1300 SE Cardinal Court, Building 10, Suite 100
Vancouver, WA 98683-9589
http://vulcan.wr.usgs.gov/

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Suggested citation:

Walder, J.S, Schilling, S.P., Sherrod, D.R., and Vallance, J.W., 2010, Evolution of Crater Glacier, Mount St. Helens, Washington, September 2006-November 2009: U.S. Geological Survey Open-File Report 2010-1141, 34 p. and animation.



Contents

Abstract

Introduction

Field Setting: Birth of Crater Glacier and its state in September 2006

Change in Crater Glacier since September 2006

The Future of Crater Glacier

Acknowledgments

References Cited

Appendix 1: Animation of Evolution of Crater Glacier


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