USGS Hawaiian Volcano Observatory geologists visited the western rim of Halemaʻumaʻu crater for a closer look at the active ...

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava fountains shooting up high ...

The Hawaii Volcano Observatory says lava fountains were reaching over 330 feet Wednesday and would likely go higher before ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only ...

One of the world's most active volcanoes spewed columns of lava exceeding 1,000 feet above Hawaii, according to US vulcanologists and spectacular footage released Sunday.

That same year, the USGS Cascades Volcano Observatory was established in Vancouver, Washington. The Cascades Volcano Observatory is now the largest of USGS’s five offices, with around 80 ...

May 18th marks the 45th anniversary of the eruption of Mt. St. Helens and the creation of the USGS Cascades Volcano Observatory. This Saturday they are holding an open house to teach people about ...

The U.S. Geological Survey’s Cascades Volcano Observatory in Vancouver will host an open house 10 a.m. to 4 p.m. Saturday. Admission is free. Volcano scientists will be on hand to describe their ...

Here’s hoping it’s nothing to blow your lid over. A normally quiet “high threat” volcano in Washington state has been rumbling at a record rate — prompting an alert from geologists who ...

The results of the study will inform the way the USGS Cascades Volcano Observatory draws up hazards maps for Central Oregon and help shape the way scientists think about other similar volcanoes.

scientist-in-charge at the Cascades Volcano Observatory. So the alert earlier this month by the USGS that there has been a flurry of earthquakes around Adams got some attention from volcano watchers.

KPTV spoke to USGS Cascades Volcano Observatory Scientist-in-Charge Jon Major about Mount Adams. USGS is the United States Geological Survey. “Right now, there’s only one monitor within about ...