2026-08-18T10:35:14.54Z39.317333221435-123.268997192385.9099998474121manualconfirmedUSGS1.71md1Origin/20260818103725.677635.421297Magnitude/20260818103725.677695.421298USGS8 km NW of Redwood Valley, CAregion namenccatalognc75420542contributorID