A research vessel operated by the National Science Foundation has left Unalaska to do seismic work in the Chukchi Sea.

The research vessel Marcus G. Langseth will be collecting data on the Chukchi shelf and borderland to get a better sense of the region’s geological history. Prior to leaving on this cruise, the Langseth had been studying the earthquake subduction zone in the Aleutian region for the Lamont-Doherty Earth Observatory as part of the Alaska/Aleutian Megathrust Project.