2026-06-18T12:14:52.49Z38.820667266846-122.853164672852.420000076294manualconfirmedUSGS1.18md1Origin/20260618121711.649077.11571Magnitude/20260618121711.649137.11572USGS10 km WNW of The Geysers, CAregion namenccatalognc75379006contributorID