2025-05-26T08:33:31.58Z40.2840003967285-124.515830993652-0.14manualconfirmedUSGS2.52md1Origin/20250527082342.994281.6159Magnitude/20250527082342.994338.6160USGS20 km W of Petrolia, CAregion namenccatalognc75186636contributorID