Small Earthquake Near Castro Valley Rattles East Bay

MENLO PARK (CBS SF) -- A small earthquake with preliminary magnitude of 3.0 struck shortly before noon Sunday afternoon near Castro Valley, according to the U.S. Geological Survey.

The temblor was recorded about a mile northwest of Castro Valley at a depth of about 3.4 miles.

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Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.
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