2026-04-28T03:57:05.76Z38.833332061768-122.830001831068.6400003433228manualconfirmedUSGS0.38md1Origin/20260428035943.534408.10319Magnitude/20260428035943.534475.10320USGS9 km NW of The Geysers, CAregion namenccatalognc75352962contributorID