Fault Maps of the Alaskan Aleutian 8.2 Earthquake of July 28, 2021.
The Pacific Rim Ring of Fire of Earthquake Faults and Volcanoes. The North fault is the Aleutian Megathrust Fault.
Location of last night’s Alaska 8.2 earthquake, and 2020 earthquakes.
Slip distribution up to 3 meters in the quake. The thrust fault subduction beneath the North America Plate gains tension at 7 centimeters or 2.8 inch a year. The bottom white line is the boundary between the Pacific Plate below and the North America Plate above.
The intensity of the earthquake motion goes up to an eight, VIII, in orange. On the Aleutians it was more like a seven, VII, in intensity.
The time distribution of motion from the quake, which is greatest between 10 and 60 seconds after the start.
