2026-04-28T15:31:16.46Z38.84033203125-122.837829589841.0700000524521manualconfirmedUSGS0.59md1Origin/20260428153310.094708.15899Magnitude/20260428153310.09477.15900USGS10 km NW of The Geysers, CAregion namenccatalognc75353197contributorID