Magnitude 1.8 - 5 miles SE of Aniak

September 21, 2022 06:28:08 AKDT (September 21, 2022 14:28:08 UTC)
61.5260°N 159.4212°W Depth 8.2 miles (13 km)

This event has been reviewed by a seismologist

7 miles (11 km) SW of Chuathbaluk
29 miles (47 km) E of Kalskag
31 miles (50 km) E of Lower Kalskag
47 miles (76 km) S of Holy Cross
59 miles (95 km) NE of Tuluksak
65 miles (105 km) E of Russian Mission
71 miles (115 km) W of Red Devil
73 miles (118 km) NE of Akiak
75 miles (121 km) W of Sleetmute
79 miles (128 km) NE of Akiachak
79 miles (128 km) SW of Flat
278 miles (450 km) SE of Nome

Magnitude type: M_l²
Event type: earthquake

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.