COBB (CBS SF) — A magnitude 4.2 earthquake was reported at the northern edge of Sonoma County late Monday afternoon, according to the U.S. Geological Survey.
The quake was reported at 4:57 p.m. roughly 24 miles north of Santa Rosa, just three miles outside of the unincorporated community of Cobb in Lake County.
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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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