MSH80_early_eruption_st_helens_from_NE_04-10-80.jpg

Description

English: On March 20, 1980, after a quiet period of 123 years, earthquake activity once again began under Mount St. Helens volcano. Seven days later, on March 27, small phreatic (steam) explosions began. This view is from the northeast.

Date

Taken on 10 April 1980

Source

CVO Photo Archives Mount St. Helens, Washington

Before, During, and After May 18, 1980

Author

Donald A. Swanson

Permission
( Reusing this file )

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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Captions

Items portrayed in this file

depicts

inception

10 April 1980