2026-08-18T23:56:45.76Z38.815334320068-122.807502746583.4500000476837manualconfirmedUSGS0.67md1Origin/20260818235838.362623.429176Magnitude/20260818235838.362683.429177USGS6 km NW of The Geysers, CAregion namenccatalognc75420927contributorID