2025-09-10T12:30:52.16Z40.2993316650391-124.3978347778329.35000038146973manualconfirmedUSGS1.35md1Origin/20250910123308.518456.512112Magnitude/20250910123308.518508.512113USGS10 km W of Petrolia, CAregion namenccatalognc75235942contributorID