Earthquakes, September-October 1981

Earthquake Information Bulletin (USGS)


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There were three major earthquakes (7.0-7.9) during this reporting period. The first and largest was a magnitude 7.7 on September 1 in the Samoa Islands region in the South Pacific. A magnitude 7.2 occurred on October 16 off the coast of central Chile. The third, on October 25 in Michoacan, Mexico, had a magnitude of 7.1. Two earthquakes which caused fatalities were in Kashmir and Venezuela, on September 12 and October 18. They had magnitudes 6.1 and 5.4, respectively. 

In the United States, a number of earthquakes were experienced during the 2 months, but caused only lsight damage. The largest was a magntidue 5.9 on September 4 in southern California. 

Publication type Article
Publication Subtype Journal Article
Title Earthquakes, September-October 1981
Series title Earthquake Information Bulletin (USGS)
Volume 14
Issue 2
Year Published 1982
Language English
Publisher U.S Geological Survey
Description 4 p.
First page 67
Last page 70
Online Only (Y/N) N
Additional Online Files (Y/N) N
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