Mapping in the Chukchi and Beaufort seas off Alaska has uncovered a 1,640-foot-tall structure on the seafloor, but scientists ...

Following the activity, the USGS Cascades Volcano Observatory and the Pacific Northwest Seismic Network installed additional ... The National Volcano Early Warning and Monitoring System Act was ...

People visit Yellowstone National Park every year to observe its wildlife and vast array of hydrothermal features. One ...

That happened two years ago with the world’s largest active volcano. About two months before Mauna Loa spewed rivers of ...

Efforts to install additional seismometers around Glacier Peak have been delayed due to ground conditions and logistical ...

That's after seismometers picked up an increased number of small earthquakes at the volcano and GPS sensors showed it was ...

Scientists might have found a new volcano, but unless you're a fish, it probably doesn’t pose much danger. Working off the coast of western and northern Alaska, the Coast Guard Cutter Healy’s ...

Scientists aboard a U.S. Coast Guard icebreaker have discovered something unusual in the Arctic Ocean off northern Alaska: a volcano-like structure rising more than 500 meters from the seafloor and ...

New data is used to map a volcano-like feature discovered this fall by science teams aboard the U.S. Coast Guard Cutter Healy, a polar-class icebreaker used for Arctic research. The scientists ...

About 6,000 of the more than 16,000 people living in areas nearest the volcano had been evacuated to other villages, said Heronimus Lamawuran, a Flores government official. Abdul said supplies of ...