2026-08-16T20:21:45.85Z40.493000030518-124.9029998779317.14999961853manualconfirmedUSGS2.6md1Origin/20260816202406.127779.400805Magnitude/20260816202406.127839.400806USGS55 km W of Ferndale, CAregion namenccatalognc75419622contributorID