Formed by a volcanic collapse thousands of years ago, Crater Lake sits within a vast caldera in Oregon. Its clarity and depth ...

Crater Lake is one of Oregon's most mystical lakes, and adding to that mystique is the fact it is the deepest in the U.S. and one of the deepest in the world. The national park is a highly sought ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Michael Poland, geophysicist with the ...