2026-10-08T13:45:20.83Z40.365501403809-124.607002258326.729999542236manualconfirmedUSGS2.26md1Origin/20261008134716.959567.7479Magnitude/20261008134716.959629.7480USGS28 km W of Petrolia, CAregion namenccatalognc75446396contributorID