MODOC COUNTY (CBS SF) — A earthquake registering a magnitude of 3.5 struck near the town of Alturas in Modoc County Friday morning, according to the U.S. Geological Survey’s automated seismograph alert network.
The quake struck at 1:47 a.m. near the surface, 97 miles from Susanville. 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.
There were no reported injuries or damages.
According to the USGS, the area has had five earthquakes of magnitude 3.0 or greater over the past 10 days.
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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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