Magnitude 1.0 - 38 miles W of Hayes Volcano

September 21, 2022 02:48:37 AKDT (September 21, 2022 10:48:37 UTC)
61.5004°N 153.591°W    Depth 11.2 miles (18 km)





Tectonic Setting of Southwest Alaska

Seismicity 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.

Contributed by:
1Alaska Earthquake Center
2USGS National Earthquake Information Center
Learn more about magnitude types here