2026-09-03T17:13:29.04Z38.548500061035-122.548500061033.420000076294manualconfirmedUSGS1.42md1Origin/20260903171529.54541.70305Magnitude/20260903171529.545472.70306USGS4 km SE of Calistoga, CAregion namenccatalognc75429257contributorID