Avalanches of ash, gas and rock that cascade downhill during volcanic eruptions may be even more dangerous than scientists had realized. Pulses of high pressure form within these slides, known as ...

Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes. These avalanches of superheated ash, gas, and rock are responsible for some of the most famous volcanic disasters ...

BUFFALO, N.Y. -- Technologies ranging from mathematical modeling, geologic simulation and geographic information science to scientific computing and virtual reality are being combined by University at ...

MANILA, Philippines — Since showing increased activity earlier this year, Mayon Volcano generated its "largest" pyroclastic density current so far, with an ash plume reaching up to 1,000 meters on ...

The Yellowstone supervolcano Yellowstone supervolcano, which lies underneath a 30–by–45–mile crater Yellowstone Caldera, has ...

The extreme investigators at How to Survive uncover why escaping a fast-moving pyroclastic flow is nearly impossible.