2022-05-15T15:44:07.356Z53.5463-166.308972.23manualconfirmedUSGS3.6mb1Origin/20220515160000.052137.22890Magnitude/20220515160000.052188.22891USGS39 km SSE of Unalaska, Alaskaregion nameuscatalogus6000hlbfcontributorID