2025-12-17T13:18:35.47Z38.8156661987305-122.83066558837911.1899995803833manualconfirmedUSGS1.09md1Origin/20251217132103.561798.255743Magnitude/20251217132103.561851.255744USGS8 km WNW of The Geysers, CAregion namenccatalognc75281511contributorID