2021-10-29T07:55:19.562Z51.595-176.830952.9manualconfirmedUSGS2.1ml1Origin/20211029192742.172758.65138Magnitude/20211029192742.172806.65139USGS33 km SSW of Adak, Alaskaregion nameakcatalogak021dvkso9gcontributorID