Magnitude 3.0 Earthquake Shakes San Benito County Near Ridgemark
HOLLISTER (CBS SF) — An earthquake registering a preliminary magnitude of 3.0 struck east of Ridgemark, near Hollister Thursday at 3:11 a.m. according to the U.S. Geological Survey’s automated seismograph alert network.
The quake struck at an estimated depth of just about 3 miles, below the earth’s surface, making this a very shallow quake. No injuries or damage were reported.
Deeper quakes are less noticeable while a shallow quake–in the 0 to 40 mile depth range–can feel much stronger than their actual reported magnitude. Quakes just below the earth’s surface, in the 0 to 10 miles range, can cause even more damage at lower magnitudes.
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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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