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 ...

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 Samoan hotspot in the South Pacific Ocean. Its small islands are the tops ...

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also ...

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 ...

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 ...

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 ...

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 ...

In Italy, a super volcano outside of Naples is stirring in a way it hasn't for centuries. And hundreds of thousands of people live right by it.

The Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Tuesday a noticeable increase in seismic activity at Taal Volcano in Batangas province. In its ...

Across southern Europe, a wave of seismic swarms is shaking ancient volcanic fields. Scientists monitoring Santorini in ...

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