2026-03-17T03:21:27.44Z38.831665039062-122.818168640141.62manualconfirmedUSGS0.75md1Origin/20260317032315.373993.139606Magnitude/20260317032315.374074.139607USGS8 km NW of The Geysers, CAregion namenccatalognc75328587contributorID