2026-05-11T11:05:34.78Z40.837665557861-124.191169738775.1700000762939manualconfirmedUSGS2.25md1Origin/20260511110805.125795.159131Magnitude/20260511110805.125858.159132USGS6 km NNW of Eureka, CAregion namenccatalognc75358751contributorID