2025-08-17T00:07:33.81Z40.3078346252441-124.53350067138720.1800003051758manualconfirmedUSGS1.72md1Origin/20250817000951.095052.264776Magnitude/20250817000951.095105.264777USGS21 km W of Petrolia, CAregion namenccatalognc75224827contributorID