Event

Magnitude 1.8 - 44 miles N of Port Alsworth

July 26, 2025 12:53:53 AKDT (July 26, 2025 20:53:53 UTC)
60.7975°N 153.8939°W Depth 16.8 miles (27 km)

This event has not been reviewed by a seismologist

45 miles (72 km) NW of Redoubt Volcano
60 miles (97 km) NW of Iliamna Volcano
64 miles (103 km) SE of Lime Village
65 miles (105 km) SW of Mt. Spurr
66 miles (107 km) NE of Nondalton
70 miles (113 km) N of Pedro Bay
73 miles (118 km) SW of Hayes Volcano
80 miles (129 km) NE of Iliamna
82 miles (132 km) NE of Newhalen
88 miles (142 km) W of Nikiski
91 miles (147 km) W of Kenai
137 miles (222 km) W of Anchorage
214 miles (346 km) N 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.