Event

Magnitude 2.5 - 44 miles NW of Koliganek

September 19, 2025 01:26:54 AKDT (September 19, 2025 09:26:54 UTC)
60.1514°N 158.2432°W Depth 12.4 miles (20 km)

This event has not been reviewed by a seismologist

58 miles (94 km) NW of New Stuyahok
62 miles (100 km) N of Aleknagik
62 miles (100 km) NW of Ekwok
77 miles (124 km) N of Dillingham
86 miles (139 km) N of Manokotak
87 miles (141 km) NW of Levelock
91 miles (147 km) N of Clarks Point
100 miles (162 km) NW of Iguig
102 miles (165 km) NE of Twin Hills
104 miles (168 km) S of Chuathbaluk
106 miles (171 km) NE of Togiak
264 miles (428 km) NW of Kodiak
291 miles (471 km) W of Anchorage

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.