Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

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 ...

The St. Vincent and the Grenadines government says it will boost the surveillance and monitoring of the La Soufriere volcano ...

Learn more about the Norris Uplift Anomaly at Yellowstone National Park and how advanced monitoring systems helped researchers spot it again.

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 ...

Nov. 20—The Senate Committee on Energy & Natural Resources has reapproved legislation that increased monitoring of Washington's five active volcanoes. On Wednesday, the committee reauthorized the ...

James Dacey investigates a plan to use muons to peer inside the throat of Mexico’s famous volcano, Popocatépetl, to help predict the timing and extent of its fiery outbursts Fiery mountain ...

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 ...

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 ...