2025-03-12T11:45:52.62Z37.8408317565918-122.0770034790045.42000007629395manualconfirmedUSGS2.49md1Origin/20250312114733.094896.108797Magnitude/20250312114733.094952.108798USGS4 km W of Alamo, CAregion namenccatalognc75147556contributorID