MORAGA, Calif., June 10 (UPI) -- The U.S. Geological Survey said a 3.1 magnitude earthquake hit California early Tuesday morning near the Las Trampas Regional Wilderness.
The quake struck a location four miles east of Moraga and four miles southwest of Alamo, the San Francisco Chronicle reported Tuesday.
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The area was previously subjected to two earthquakes measuring 3.0 and 3.5 magnitude Friday.