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1932 Eureka earthquake

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Origin time  08:44:26 UTC
Depth  9.3 mi (15 km)
Magnitude  6.4 Mw
Type  Unknown
1932 Eureka earthquake
Date  June 6, 1932 (1932-06-06)
Areas affected  North Coast (California) United States

The 1932 Eureka earthquake occurred on June 6 at 00:44:26 local time along the northern coastal area of California in the United States. With a moment magnitude of 6.4 and a maximum Mercalli intensity of VIII (Severe), this earthquake left one person dead and several injured. The shock was the largest in the area since 1923 and was felt in southern Oregon and northern California.

Tectonic setting

Near Cape Mendocino, the Mendocino Triple Junction is an area of active seismicity where three tectonic plates come together. The Mendocino Fracture Zone (also known as the Mendocino Fault east of the Gorda Ridge) is a transform fault that separates the Pacific and Gorda Plates. To the south, the relative motion between the Pacific Plate and North American Plate is accommodated by the San Andreas Fault, and to the north, the Gorda Plate is converging with the North American Plate at the Cascadia Subduction Zone.


1932 Eureka earthquake Wikipedia

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