During the week of April 21, 2025, the Alaska Earthquake Center reported 384 earthquakes within the state. The largest earthquake was magnitude 4.7 that occurred on April 27 at 12:09:37 AKDT (April 27, 20:09:37 UTC), 52 miles S of Nikolski.

We had four felt events this week. The first, a magnitude 4.5 earthquake, located 5 miles NW of Willow, occurred on April 22, 2025, at 16:24:51 AKDT, and was reported as felt throughout south-central Alaska.

The second felt event for the week occurred on April 24, 2025, at 07:14:17 AKDT, 43 miles E of Kodiak. This magnitude 4.5 earthquake was reported as felt in Kodiak, Homer, and Anchor Point.

The third felt event was a magnitude 4.6 earthquake, occurring on April 25, 2025, at 11:17:03 AKDT, 21 miles NW of Port Lions. This earthquake was reported as felt in Kodiak.

The fourth and final felt event this week occurred on April 26, 2025, at 11:54:53 AKDT. This magnitude 4.6 earthquake, just 2 miles W of Ninilchik, was reported as felt throughout the Kenai Peninsula and the Anchorage Area.

Activity in the Kaktovic region slows down, with 6 recorded earthquakes this week, down from the 9 recorded last week.

There were 4 icequakes detected this week, occurring in the regions of Prince William Sound and Yakutat, and ranging from 1.5 to 1.7 in magnitude.