2025-05-28T08:48:05.14Z40.2893333435059-124.36116790771514.2799997329712manualconfirmedUSGS2.17md1Origin/20250528085006.445945.21083Magnitude/20250528085006.445996.21084USGS8 km WSW of Petrolia, CAregion namenccatalognc75187531contributorID