2025-10-17T06:48:06.66Z40.2869987487793-124.45583343505918.4699993133545manualconfirmedUSGS1.73md1Origin/20251017065027.364627.26753Magnitude/20251017065027.364679.26754USGS15 km WSW of Petrolia, CAregion namenccatalognc75250526contributorID