Event

Magnitude 1.9 - 28 miles NW of Aleknagik

August 20, 2025 05:23:00 AKDT (August 20, 2025 13:23:00 UTC)
59.4963°N 159.2719°W Depth 4.5 miles (7 km)

This event has not been reviewed by a seismologist

37 miles (59 km) N of Manokotak
43 miles (69 km) NW of Dillingham
45 miles (72 km) NE of Twin Hills
49 miles (79 km) NE of Togiak
52 miles (84 km) NW of Clarks Point
64 miles (103 km) W of Ekwok
69 miles (111 km) W of New Stuyahok
71 miles (115 km) W of Koliganek
89 miles (144 km) W of Levelock
94 miles (152 km) E of Quinhagak
95 miles (154 km) NE of Goodnews
274 miles (444 km) NW of Kodiak

Magnitude type: M_l
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.