2026-02-16T03:56:12.636Z51.4312-179.790259.672manualconfirmedUSGS2.7ml1Origin/20260216235148.693184.42594Magnitude/20260216235148.693246.42595USGS223 km WSW of Adak, Alaskaregion nameuscatalogus6000s9ktcontributorID