2026-10-12T09:12:55.06Z40.28150177002-124.590499877937.1199998855591manualconfirmedUSGS2.72md1Origin/20261012091531.443393.34622Magnitude/20261012091531.443454.34623USGS26 km W of Petrolia, CAregion namenccatalognc75448246contributorID