By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

Among them, Crater Lake in Oregon, which has been inactive for 4,800 years, harbors a surprisingly large magma chamber beneath it. These findings, published in Nature Geoscience, could reshape how ...

To time how fast a sprinter runs, you just need a stopwatch. To time how fast magma moves, you need to know a little bit ...

The supervolcano Campi Flegrei in Italy has begun to show activity. Residents of the Naples and Pozzuoli areas felt the ...

Learn how to prepare for disasters like earthquakes, volcanoes, and wildfires in Washington state with these safety tips and ...

Magma collects inside a volcano's magma chamber before it erupts. Nyiragongo's magma chamber is located about 10 miles below the surface of the Earth.

First, a plume of heat wells up from deep within the planet and melts rock just beneath the crust of the Earth, creating a vast chamber filled with a pressurized mix of magma, semisolid rock ...

Researchers have found that half of all active volcanoes are exposed to the risk of torrential rains linked to climate change ...