Eruption_column_from_Crater_Peak_vent.jpg

Description	Aerial view, looking north, of the eruption column from the Crater Peak vent, Mount Spurr volcano. A light-tan cloud ascending from pyroclastic flows is visible at right. The 3,374-m (11,070 ft)-high summit lava dome complex of Mount Spurr is visible at left.
Date	18 August 1992
Source	pubs.usgs.gov
Author	R. McGimsey (U.S. Geological Survey)

This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey , an agency of the United States Department of the Interior . For more information, see the official USGS copyright policy .

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18 August 1992