Just inland from the Pacific coast of El Salvador, the striking blue waters of Lake Coatepeque fill part of a caldera of the same name. An astronaut aboard the International Space Station took this ...
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 ...
Add Yahoo as a preferred source to see more of our stories on Google. Volcanic Activity Beneath Yellowstone's Massive Caldera Could Be on The Move Volcanic activity bubbling away beneath the ...