Magnitude 1.6 - 8 miles NE of Iguig




August 3, 2025 18:20:43 AKDT (August 4, 2025 02:20:43 UTC)
59.4227°N 155.7998°W    Depth 0.5 miles (0 km)

This event has not 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.