2026-08-19T19:31:02.231Z52.1846-171.0894101.897manualconfirmedUSGS3.2ml1Origin/20260820151113.145009.450959Magnitude/20260820151113.14507.450960USGS172 km WSW of Nikolski, Alaskaregion nameuscatalogus6000tlzvcontributorID