Event

Magnitude 1.5 - 54 miles W of Hayes Volcano

September 4, 2025 18:34:09 AKDT (September 5, 2025 02:34:09 UTC)
61.8556°N 154.0214°W Depth 5.2 miles (8 km)

This event has not been reviewed by a seismologist

58 miles (94 km) NE of Lime Village
70 miles (113 km) NW of Mt. Spurr
81 miles (131 km) S of Nikolai
91 miles (147 km) SE of McGrath
93 miles (150 km) W of Skwentna
102 miles (165 km) SE of Takotna
103 miles (167 km) E of Sleetmute
104 miles (168 km) NW of Redoubt Volcano
107 miles (173 km) E of Red Devil
109 miles (176 km) S of Telida
110 miles (178 km) NW of Tyonek
143 miles (231 km) W of Anchorage
284 miles (460 km) SW of Fairbanks
287 miles (465 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.