2026-08-23T11:30:44.9Z38.794834136963-122.799163818363.5299999713898manualconfirmedUSGS0.74md1Origin/20260823113300.181728.470496Magnitude/20260823113300.181793.470497USGS4 km WNW of The Geysers, CAregion namenccatalognc75423582contributorID