A magnitude-4.7 earthquake hit the Fox Islands early Monday morning and was felt in Unalaska.
According to the Alaska Earthquake Center (AEC), at 12:21 a.m. an earthquake at a depth of about 53 miles hit 26 miles southeast of Unalaska.
Natalia Ruppert, a seismologist with the AEC, said the quake was not unusual for the region.
"Last night's M4.7 occurred within a known source of earthquake activity," said Ruppert.
As of Monday morning, there had been 3 "felt reports" from Unalaskans on the AEC's website.
There have been 9,909 earthquakes felt in Alaska so far this year. About 25% occurred in the Aleutian Islands.
According to the AEC, Alaska has had a record number of seismic events in recent years. With a total of 50,289 reported earthquakes, 2019 finished as a runner up to the record-breaking 2018. The largest earthquakes last year were two magnitude 6.4 events: one on April 2 in the Rat Islands and one on Nov. 24 in the Andreanof Islands regions of the western Aleutians.