The USGS Hawaiian Volcano Observatory monitors volcanic activity across the Hawaiian Islands and American Samoa, helping to ...

American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the ...

WASHINGTON - While Mount St. Helens and Kilauea generate the most attention, many other volcanoes in the United States have little or no regular monitoring and need to be watched for potential ...

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 ...

Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the introduction of modern borehole tiltmeters, devices that measure very small ...

Scientists are deploying monitors at the volcanic Mount Adams in Washington State, after a spike in seismic activity. The U.S. Geological Survey (USGS) said Mount Adams typically experiences an ...

BACOLOD CITY—Kanlaon Volcano experienced another swarm of volcano-tectonic (VT) earthquakes on its northwestern flank that ...

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 ...

Magma movement between Santorini and Kolumbo volcanoes triggered the 2025 earthquake swarm, highlighting complex volcanic ...

The tremor at Taal Volcano in Batangas, which lasted for more than a day, is not a “cause for concern,” a volcanologist said ...