"Scary wildfire behavior in California," McCarthy posted with the video. "Like an exploding volcano, the Garnet Fire in the Central Sierra Nevada is sending a pyrocumulus plume up to 35,000 feet, the ...

Though its last eruption was a century ago, California's Lassen Peak is the centerpiece of a volcanic panorama.

Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of ...

“Residents and visitors who evacuated may return home at this time. Please use caution and patience as traffic will likely ...

Featuring 60 volcanoes and plenty of hydrothermal features within its borders, this national park is as explosively beautiful as any other in the country.

An undersea volcano erupted near the island of Tonga, prompting a tsunami advisory for Hawaii and along the West Coast.

Scientists remotely surveying a previously unexplored area of the ocean located 80 miles southwest of Monterey, California, witnessed a magical spectacle. In the area around an underwater volcano ...