Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only ...

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

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

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

"Axial is more like the volcanoes in Hawaii and Iceland ... less gas, the lava is very fluid, so the gas can get out without exploding." Read more:Monster earthquake could sink swath of California ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

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

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

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 ...