Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding how volcanoes work. Technological advancements — such as livestreaming ...

Scientists know that changing tree leaves can indicate when a nearby volcano is becoming more active and might erupt. In a new collaboration between NASA and the Smithsonian Institution, scientists ...

This week the U.S. Geological Survey Cascades Volcano Observatory, in cooperation with the U.S. Forest Service and Mount Hood National Forest, installed three new volcano monitoring stations on the ...

Fluid inclusions in volcanoes are dominantly composed of carbon dioxide. At magmatic temperatures — 2,192 degrees — the density of the carbon dioxide strongly depends on pressure, which is influenced ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news ...

The planned lease termination of the Alaska Volcano Observatory in Anchorage has been reversed amid threats of a volcanic eruption. The observatory had appeared on lists of federal building leases set ...

American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the Samoan hotspot in the South Pacific Ocean. Its small islands are the tops ...

Scientists in Mexico documented a number of changes inside El Chichón during monitoring between June and December 2025.

Researchers have identified 138 candidate subglacial volcanoes hidden beneath the West Antarctic Ice Sheet, 91 of which had ...

The seismologist speaks with Diario AS from Antarctica, where he reflects on three decades of scientific research on Livingston Island.