Volcanoes are often judged by the size of their eruptions, but volcanologists measure danger ...

Great Sitkin volcano, sitting in Alaska’s central Aleutian Islands, has been slowly pushing lava out of its summit crater ...

HONOLULU (AP) — Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, ...

The ground beneath us isn't as stable as we'd like to think. While we go about our daily lives, some of Earth's most remarkable geological features are quietly building pressure, preparing for ...

Add Yahoo as a preferred source to see more of our stories on Google. An explosive eruption at the summit of Kanlaon Volcano occurred on February 19, sending a dark ash plume around 2,000 meters above ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

Tropical volcanic eruptions with a high volcanic explosivity index (≥5) impact the global climate system, but little is known about how they affect floods. Here, leveraging global climate model ...