2026-07-18T22:46:54.11Z53.838833333333-166.754166666678.97manualconfirmedUSGS0.15ml1Origin/20260721032230.176207.167601Magnitude/20260721032230.176268.167602USGS15 km WSW of Unalaska, Alaskaregion nameavcatalogav94317388contributorID