2025-09-16T01:26:37.57Z40.2846666666667-124.49433333333316.42manualconfirmedUSGS1.69md1Origin/20250916232134.071158.570237Magnitude/20250916232134.071212.570238USGS18 km WSW of Petrolia, CAregion namenccatalognc75238207contributorID