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

December

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

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Year	Location	Magnitude	Comment

1967	Koyna, India	6.3	177 deaths. The Koyna Dam Earthquake About 25 percent of the buildings were destroyed and all buildings suffered some damage at Koynanagar. About 2,000 people were injured. This is the largest in a series of earthquakes that began in 1963, following the filling of Koyna Reservoir, and has continued at least into 1998. This is one of the classic examples of "reservoir-induced seismicity" -- earthquakes caused by the filling or changes in water level of large reservoirs.

1970	Peru-Ecuador border region	7.6	This major earthquake occurred about 150 miles southwest of Guayaquil, Ecuador, on Peru's northernmost tip. It killed 72 people and injured many in both countries. Much damage occurred at Sullana and Piura, Peru, south of the epicenter, and at Tumbes, 50 miles north of the shock's center. Highways linking Tumbes and Piura were blocked by landslides, and telephone communications to that region were knocked out. Heaviest damage in Ecuador was reportedly in rural villages. From Significant Earthquakes of the World 1970, and Earthquake Information Bulletin, Volume 3, Number 2.

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