Mount Aniakchak is a 3,700 year old volcanic caldera, about 10 kilometers in diameter, located in the Aleutian Range of Alaska, United States.
Mount Aniakchak is a 3,700 year old volcanic caldera, about 10 kilometers in diameter, located in the Aleutian Range of Alaska, United States. #North America, #amerika, #estados unidos, #etats-unis, #crater