2026-03-31T09:32:29.71Z38.833332061768-122.817169189451.8899999856949manualconfirmedUSGS1.49md1Origin/20260331093418.059406.74607Magnitude/20260331093418.059468.74608USGS8 km NW of The Geysers, CAregion namenccatalognc75336147contributorID