2026-04-03T09:59:26.86Z38.832500457764-122.790832519531.5299999713898manualconfirmedUSGS1.32md1Origin/20260403100139.172041.115111Magnitude/20260403100139.172107.115112USGS6 km W of Cobb, CAregion namenccatalognc75338152contributorID