2021-10-18T16:55:39.54Z53.81533333-166.76566673.02manualconfirmedUSGS0.9ml1Origin/20211019031747.943369.233239Magnitude/20211019031747.943417.233240USGS16 km WSW of Unalaska, Alaskaregion nameavcatalogav91395201contributorID