2026-05-01T17:04:44.78Z38.83483505249-122.819000244141.9800000190735manualconfirmedUSGS0.4md1Origin/20260501170638.602293.49687Magnitude/20260501170638.602358.49688USGS8 km NW of The Geysers, CAregion namenccatalognc75355107contributorID