The sediments underlying the Salt Lake Valley are thicker in places than previously thought, indicating that current seismic ...

Italy's Mount Etna, Europe's tallest volcano, erupted Monday, sending ash and rock into the air. We show you where.

Back in 2023, scientists were perplexed by a mysterious seismic signal that shook the world every 90 seconds for nine days.

Far beneath the vast expanse of the Pacific Ocean, at depths ranging from 900 to 1200 kilometers, researchers have uncovered ...

A moderately strong, 5.8-magnitude earthquake struck in Turkey on Tuesday, according to the United States Geological Survey.

In short, the United States and the entire world are safer from earthquakes thanks to 20 years of testing life-sized buildings and other large structures at UC San Diego’s large, outdoor earthquake ...

At the more explosive end of the scale are Plinian eruptions. These include the famous eruption of Mount Vesuvius in 79AD, ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only ...