2025-08-18T17:24:36.37Z40.4328346252441-125.17449951171927manualconfirmedUSGS2.76md1Origin/20250818172651.802656.286858Magnitude/20250818172651.802711.286859USGS76 km WNW of Petrolia, CAregion namenccatalognc75225487contributorID