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Today in Earthquake History

Today in Earthquake History

Today's Earthquake Fact:
The deepest earthquakes typically occur at plate boundaries where the Earth's crust is being subducted into the Earth's mantle. These earthquakes occur as deep as 750 km (400 miles) below the surface.

January   9

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


Year Location Magnitude Comment
1038 Shensi, China

Epicenter
7.4 970th Anniversary

23,000 deaths.

1857 Fort Tejon, California

Epicenter
7.9 The largest historical earthquake in California.
One of the Largest Earthquakes in the United States
This earthquake occurred on the San Andreas fault, which ruptured from near Parkfield (in the Cholame Valley) almost to Wrightwood (a distance of about 300 kilometers); horizontal displacement of as much as 9 meters was observed on the Carrizo Plain. It caused one fatality.

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