Unlike old soldiers, old volcanoes seemingly don't even fade away, much less die, with researchers discovering magma chambers under cones previously classed as dormant after thousands of years of ...

For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then ...

New Cornell University led-research challenges the long-standing belief that active volcanoes have large magma bodies that are expelled during eruptions and then dissipate over time as the volcanoes ...

A recent study has revealed that dormant volcanoes in the Cascade Range still contain significant amounts of magma beneath ...

Scientists have begun a long overdue study of Glacier Peak in Snohomish County – the second most explosive volcano in the Cascades after Mount St. Helens – in what they hope will lead to badly needed ...

Mount Rainier - one of many volcanoes found in the Cascade Range - is reflecting in the Reflection Lakes in Mount Rainier National Park in Washington State, USA. A seismic survey challenges the ...

USGS PHOTO BY M. ZOELLER Hawaiian Volcano Observatory geologists observed lava cascading over the rim of Napau Crater from a channel over 164-feet wide. Scientists said today that this week’s eruption ...

This is a terrific site describing all of the Cascade Range Volcanoes, with many spectaluar photos. An outing to any of them is always an awe-inspiring experience. Many of them, including Mount ...

A volcanic eruption near Nāpau Crater in Hawaii's Volcanoes National Park is continuing to dramatic effect, footage by the United States Geological Survey (USGS) shows. The eruptive activity at the ...