https://www.usgs.gov/media/images/aleutian-subduction-zone-tectonic-setting-and-geologic-study-area
Aleutian subduction zone tectonic setting and geologic study area | U.S. Geological Survey
Tectonic setting of the Aleutian subduction zone. (A) Near Umnak Island, Alaska, the Pacific Plate is subducting beneath North America at 70 mm/yr (arrow)....
aleutian subduction zone