Fortunately for residents of California, Oregon and Washington, Axial Seamount doesn't erupt explosively, so it poses zero ...

Marina Jurica takes a look at the prediction that a large and very active underwater volcano off the California coast may ...

Jessica Ball with the California Volcano Observatory joined the show to discuss the Mt. St. Helens eruption 45 years ago and ...

Axial Seamount, an undersea volcano near California, may erupt this year. It poses no tsunami threat, with lava oozing ...

The volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

A volcano off the Pacific Coast could erupt by the end of the year, according to scientists. The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

A NASA-Smithsonian collaboration has revealed that carbon dioxide released from rising magma makes surrounding vegetation ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

The volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a ...