Magnitude 1.7 - 49 miles SE of Nikolai




September 19, 2023 12:09:25 AKDT (September 19, 2023 20:09:25 UTC)
62.5741°N 153.1681°W    Depth 3.8 miles (6 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.