fox islands

In early May, over the span of two days, a swarm of more than 50 earthquakes occurred in the Fox Islands region in the Aleutians. Most of the earthquakes were small, with a few larger events measuring over magnitude 5 southwest of Umnak Island.Similar earthquake swarms have periodically occurred in nearly the exact same location for the past 50 years, but scientists are still figuring out what causes them.

In this episode of "Island Interviews," Stephen Holtkamp, a data analyst with the Alaska Earthquake Center, explains the earthquake swarm and how similar events have occurred in the past.

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…