A magnitude 5.0 earthquake struck about 20 miles south of Little Diomede on February 3, 2025, with residents in the region feeling the tremor but reporting no injuries. Seismic events along the Bering microplate have happened before, although they’re not common. The largest on record was a magnitude 7.3 earthquake near Huslia in 1958.

A magnitude 5.6 earthquake struck southwest of Unalaska, impacting locals in Nikolski and Akutan, but poses no tsunami threat or concern for further seismic activity.

Increased seismic activity has been recorded at Mount Spurr Volcano in Alaska, prompting the Alaska Volcano Observatory to raise its alert level. This activity includes low-magnitude, shallow earthquakes near the summit.

An earthquake swarm was detected on Sunday in the western Aleutians, beginning with a 6.3 magnitude quake near Bobrof Island, followed by more tremors including magnitudes of 6.3 and 6.1.

Earthquakes have rattled through Port Heiden more often than usual this year. Michael West is the State Seismologist with the Alaska Earthquake Center. He took a look to compare this year’s quake numbers with other years. Listen Now

It’s not clear whether the unrest will lead to an eruption at Tanaga Volcano, which is located on an uninhabited island about 65 miles from Adak.