2021-09-07T01:29:20.88Z52.086-176.1495-1.8manualconfirmedUSGS-0.37ml1Origin/20210910004438.85379.757043Magnitude/20210910004438.853847.757044USGS40 km NE of Adak, Alaskaregion nameavcatalogav91040903contributorID