The Yellowstone Caldera, sometimes referred to as the Yellowstone Supervolcano, is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States. The caldera and most ...

At a sprawling 20 miles long, 11 miles wide and 3,000 feet deep the Long Valley Caldera, California ... as one of the world's 20 known super volcanoes, with a classification of VEI 8 on the ...

People visit Yellowstone National Park every year to observe its wildlife and vast array of hydrothermal features. One question that lurks in the back of many visitors’ minds as they traverse through ...

It erupted at 23:30 local time on Sunday (09:30 GMT Monday) at Moku'āweoweo, the volcano's summit caldera. Calderas are hollows that form beneath the summit at the end of an eruption. It followed ...