2025-08-31T16:09:50.29Z38.818000793457-122.80816650390611.7399997711182manualconfirmedUSGS0.8md1Origin/20250831161207.893276.420539Magnitude/20250831161207.893328.420540USGS6 km NNW of The Geysers, CAregion namenccatalognc75231277contributorID