2025-10-06T22:13:59.53Z40.2355003356934-124.11900329589816.7199993133545manualconfirmedUSGS1.61md1Origin/20251006221558.734707.771291Magnitude/20251006221558.734764.771292USGS17 km SE of Petrolia, CAregion namenccatalognc75245736contributorID