Documentation and digital files in support of "Aftershock regions of Aleutian–Alaska megathrust earthquakes, 1938-2021" by Carl Tape and Anthony Lomax: Part A

These files support a manuscript to be submitted entitled "Aftershock regions of Aleutian–Alaska megathrust earthquakes, 1938-2021," by Carl Tape and Anthony Lomax. This collection contains Part A. A separate collection contains Parts, B, C, and D. This research was supported by the U.S. Geological Survey (USGS), Department of the Interior, under USGS award number G19AP00050.