2025-09-12T07:57:15.61Z38.6633338928223-122.4221649169921.7manualconfirmedUSGS1.86md1Origin/20250912075900.856056.528475Magnitude/20250912075900.856109.528476USGS10 km NNE of Angwin, CAregion namenccatalognc75236832contributorID