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.

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava shooting up high during an ongoing eruption of Kilauea volcano inside Hawaii Volcanoes National ...