Magnitude 2.0 - 49 miles SE of Nikolai




September 21, 2023 22:07:31 AKDT (September 22, 2023 06:07:31 UTC)
62.5600°N 153.1619°W    Depth 2.9 miles (4 km)

This event has been reviewed by a seismologist





Tectonic Setting of Southwest Alaska

Seismicity in Southwest Alaska is very sparse. Known faults include the Iditarod-Nixon Fork and the western Denali Fault. Neither fault system has documented historical or Holocene earthquake activity. On average this region produces one M4-5 earthquake every other year.