2025-08-13T11:53:43.86Z37.84716796875-122.0540008544929.15999984741211manualconfirmedUSGS1.62md1Origin/20250813115601.622633.236440Magnitude/20250813115601.622685.236441USGS2 km W of Alamo, CAregion namenccatalognc75222642contributorID