2026-03-17T20:57:00.5Z38.831001281738-122.815834045412.4300000667572manualconfirmedUSGS0.4md1Origin/20260317205854.532719.149093Magnitude/20260317205854.532803.149094USGS8 km NW of The Geysers, CAregion namenccatalognc75329157contributorID