2026-06-11T16:53:17.305Z53.452-166.38489.288manualconfirmedUSGS3.8mb1Origin/20260611193143.305167.3243Magnitude/20260611193143.305226.3244USGS48 km SSE of Unalaska, Alaskaregion nameuscatalogus7000ss9ycontributorID