2026-08-18T00:00:25.85Z38.775665283203-122.74483489992.0299999713898manualconfirmedUSGS1.29md1Origin/20260818000247.316447.415801Magnitude/20260818000247.316512.415802USGS1 km E of The Geysers, CAregion namenccatalognc75420362contributorID