Magnitude 1.9 - 21 miles N of Iguig

September 12, 2023 17:25:13 AKDT (September 13, 2023 01:25:13 UTC)
59.6163°N 156.0141°W    Depth 5.0 miles (8 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.