Magnitude 1.8 - 36 miles W of Skwentna
July 21, 2021 13:13:15 AKDT
62.1417°N 152.2299°W Depth 70.3 miles
Tectonic Setting of Southwest AlaskaSeismicity in Western 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.