Massive volcano in Japan refilling 7,300 years after eruption, offering new insight into supervolcano behavior and future risks ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. This photo shows the gap between the south (left) and ...

Geochemical analysis of erupted tephra samples over the past decade help scientists understand the temperature of Kilauea’s shallow magma system under the summit — and things have been “heating up!” ...

A swarm of about 28 tectonic earthquakes beneath the northeast side of Mauna Kea, in the Hāmākua region, was detected yesterday.

The Hoh Rain Forest resembles a storybook setting where moss decorates every branch and ferns blanket the forest floor. This ranks among the wettest locations in America, receiving more than 12 feet ...

The designation as Washington’s official state waterfall recognizes the special place Palouse Falls holds in the state’s natural heritage. It may not be the tallest waterfall in Washington or the most ...