2026-08-18T02:16:40.13Z38.80016708374-122.819000244142.76manualconfirmedUSGS1.08md1Origin/20260818021859.278603.416973Magnitude/20260818021859.278664.416974USGS6 km WNW of The Geysers, CAregion namenccatalognc75420392contributorID