A volcano has erupted in Iceland for the fourth time since December, sparking evacuations in a nearby town, with local authorities producing a map showing the danger areas. The eruption began at 8:23 ...

A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

Aerial view of Crater Lake in Oregon, a collapse caldera formed by one of the largest volcanic eruptions in the past 8,000 years. A detailed survey of the volcanic deposits found offshore Japan ...

The production of maps to track the progress of ongoing eruptions has long been part of the USGS Hawaiian Volcano Observatory mission to inform the public about volcanic hazards in Hawaii. The methods ...

Volcanoes erupt, they spew ash, their scarred flanks sometimes run with both lava and landslides. But only occasionally. A less dramatic but important process is continuous gas emissions from ...

A map of Hawaii's Kilauea volcano shows a spike in earthquakes in the area, as officials monitor the situation closely. Earthquakes have been rumbling through the Hawaii Volcanoes National Park, where ...

BUFFALO, N.Y. -- University at Buffalo volcanologists, leaders worldwide in using advanced technologies to safeguard populations from dangerous geologic events, are pioneering the automation of the ...

Study reveals that volcanoes have altered rainfall patterns in Asia for centuries, intensifying regional droughts and floods.

Far off the Oregon Coast, a restless underwater volcano has been rattling the seafloor with swarms of tiny earthquakes, including a burst that reached roughly 10,000 quakes in a single day. That ...