2025-09-23T13:02:18.44Z40.2458343505859-124.13783264160214.5manualconfirmedUSGS1.38md1Origin/20250923130356.874367.631092Magnitude/20250923130356.87442.631093USGS15 km SE of Petrolia, CAregion namenccatalognc75240897contributorID