2026-05-20T16:42:46.78Z38.803001403809-122.780502319343.2300000190735manualconfirmedUSGS1.31md1Origin/20260520164513.536021.23382Magnitude/20260520164513.536086.23383USGS4 km NW of The Geysers, CAregion namenccatalognc75366187contributorID