Technically Yellowstone is a volcano, below it as well as the surface, it just isn't actively spewing lava or ash. The Yellowstone caldera is 34 miles by 45 miles making it one of the worlds six super volcanos.
Yellowstone National Park is a volcano. It doesn't look like one because it's so massive, the crater is only a few meters higher than the surrounding area. The crater is 34 miles wide by 45 miles...
The Yellowstone Caldera measures approximately 34 miles by 45 miles. (3962,6 square kilometers) The caldera has no specific height above the surrounding geography, largely because its last eruption...