Today in Earthquake History

Today's Earthquake Fact:
The term seismic seiche was first coined by Anders Kvale in 1955, to describe oscillation of lake levels in Norway and England caused by the Assam earthquake of August, 1950.

Year at a Glance

April

Note: All earthquake dates are UTC, not local time.

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Year	Location	Magnitude	Comment

1931	Zangezur Mountains, Armenia-Azerbaijan border (Armeniya-Azerbaydzhan, USSR)	5.7	2,800 deaths. Fifty-seven villages were destroyed or heavily damaged in the Sisian-Goris area, Armenia. An additional 46 villages were destroyed or seriously damaged in the Ordubad area, Azerbaijan.

1933	Near Anchorage, Alaska	6.9	Local time: April 26. Houses were shaken from their foundations at Old Tyonek, west of Anchorage across Cook Inlet. Plate-glass windows were broken in several stores in Anchorage, and merchandise tumbled from shelves. Telegraph lines were down for a distance of 80 kilometers from Anchorage. The shock was felt strongly on Kodiak Island and along the Aleutian Islands. Many aftershocks occurred. Abridged from Seismicity of the United States, 1568-1989 (Revised), by Carl W. Stover and Jerry L. Coffman, U.S. Geological Survey Professional Paper 1527, United States Government Printing Office, Washington: 1993.

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