Articles tagged "mt. st.helens"

yellowstone magma bulging 2011_31343_600x450

Yellowstone super volcano is even bigger than first thought

The volcanic mass, known as the Yellowstone Caldera or more commonly the Yellowstone Supervolcano, was previously measured at about 25 miles by 37 miles wide. However, a new study, set to be published in the Geophysical Research Letters journal says there may be more

May 19, 2011

supervolcano

Yellowstone volcanic plume much larger than expected

Yellowstone National Park hosts a variety of hot springs and geysers, all powered by a plume of molten rock under its surface. At times in the past, that plume has powered activity that was quite a bit less scenic: massive eruptions that have been capable of covering

April 12, 2011