2025-10-13T16:47:00.21Z40.3508338928223-124.73716735839820.4300003051758manualconfirmedUSGS2.77md1Origin/20251013164944.785839.831870Magnitude/20251013164944.78589.831871USGS38 km W of Petrolia, CAregion namenccatalognc75248756contributorID