2025-09-17T20:04:51.64Z40.266998291015597-124.784667968756.94000005722046manualconfirmedUSGS2.41md1Origin/20250917200650.093244.578502Magnitude/20250917200650.093296.578503USGS43 km W of Petrolia, CAregion namenccatalognc75238907contributorID