The area northeast of Yellowstone Lake is home to the three largest-known hydrothermal explosion craters on earth: Mary Bay, ...

"The great basin," he wrote, "has been formerly one vast crater of a now extinct volcano." The lieutenant was right: Yellowstone is a volcano, and not just any volcano. The oldest, most famous ...

By comparison, the crater from Tuesday's explosion will ... said scientist Mike Poland with the Yellowstone Volcano Observatory. A clog would have caused a buildup of heat and pressure such ...

and volcanic crater lakes in Shirane, Japan, and KawahIjen Volcano, Indonesia. In addition to Cinder Pool, there is another ...

Let's take a tour of Norris Geyser Basin’s backcountry thermal areas in Yellowstone National Park which are off limits to the ...

The Gap and 100 Spring Plain — are inaccessible to people. Let’s take a virtual tour of the hydrothermal wonders in the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory ... The explosion crater in The Gap has existed since at least ...

This is a hydrothermal explosion crater that has existed since at ... column written by scientists and collaborators of the Yellowstone Volcano Observatory.