2025-08-23T22:27:03.63Z40.324333190918-124.53566741943410.5600004196167manualconfirmedUSGS2.33md1Origin/20250823222847.300502.345354Magnitude/20250823222847.300553.345355USGS21 km W of Petrolia, CAregion namenccatalognc75227842contributorID