2026-09-28T08:41:33.86Z38.816333770752-122.8296661376915.909999847412manualconfirmedUSGS0.87md1Origin/20260928084350.571657.37379Magnitude/20260928084350.571715.37380USGS8 km NW of The Geysers, CAregion namenccatalognc75443712contributorID