During the month of September 2024, the Alaska Earthquake Center reported 3154 earthquakes within the state with magnitudes ranging between 0.5 and 5.4 and depths between 0 and 260 km. The largest earthquake was magnitude 5.4 that occurred on September 21 at 09:21:17 AKST, 45 miles S of Mt. Gareloi, in Andreanof Islands. This event was reported as felt in Adak. There were sixteen other earthquakes of magnitude greater than 4.0. They all were located along the subduction zone.

Six earthquakes were reported as felt in September. The largest number of DYFI (Did You Feel It) responses, 271, came from the M4.5 earthquake that occurred September 1st, at 5:20 am AKDT 1 mile E of Homer. It was reported as felt in the Kenai Peninsula communities and as far as in Anchorage. 

We also reported seismic sources that were other than regional tectonic earthquakes. Of these, 25 were suspected quarry blasts (magnitudes M=0.5-1.5), 101 icequakes (magnitudes M=0.8-2.4), primarily located in the Prince William Sound, Icy Bay, Yakutat Bay, and Brady glacier areas. 22 recorded quakes were associated with volcanic activity (M=0.8-2.2), most of which were located at  Katmai volcanic group and Mt Spurr.  Also six landslide  were recorded  in the interior of Alaska.