2026-03-21T23:05:36.74Z40.401832580566-125.088500976560.86000001430511manualconfirmedUSGS2.88md1Origin/20260321230753.055226.198165Magnitude/20260321230753.05531.198166USGS69 km W of Petrolia, CAregion namenccatalognc75331217contributorID