2026-08-20T20:36:58.64Z38.81916809082-122.806831359862.6400001049042manualconfirmedUSGS1.08md1Origin/20260820203905.492998.452611Magnitude/20260820203905.493059.452612USGS6 km NW of The Geysers, CAregion namenccatalognc75422007contributorID