Magnitude 1.4 - 50 miles SE of Nikolai




September 19, 2023 07:30:14 AKDT (September 19, 2023 15:30:14 UTC)
62.5583°N 153.1512°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.