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 ...

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 ...

In volcanoes, fluid inclusions are dominantly composed of CO 2. At magmatic temperatures (1200˚ C or 2192˚ F), the density of the CO 2 strongly depends on pressure, which is influenced by the depth of ...

Over 1,000 earthquakes have rocked Washington's Mount Rainier in the largest ever seismic swarm recorded at this active volcano, waiting to erupt. Experts from the US Geological Survey (USGS) revealed ...

Officials have detected a surge in earthquake activity at Alaska's Mount Spurr, sparking renewed fears of a potential eruption. The Alaska Volcano Observatory (AVO) reported that seismic activity has ...

Sometime between today and 200 years from now, scientists say “the big one” will hit the United States. There is danger lurking on the sea floor off the Pacific Northwest’s coast: After centuries of ...

Scientists at Mount Spurr in Alaska have been unable to collect vital volcanic data for over a month as the area experiences “elevated” levels of earthquakes — but authorities claim an eruption is ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning suggest the volcano could be moving closer to an eruption. "It's about a 50/50 ...