2026-02-18T16:06:16.91Z53.851-166.4741666666673.85manualconfirmedUSGS0.41ml1Origin/20260220020816.044003.4115Magnitude/20260220020816.044069.4116USGS4 km ESE of Unalaska, Alaskaregion nameavcatalogav94044751contributorID