Some 12 miles off the California coast near Ventura, the rugged volcanic ridges that form the spine of Anacapa Island, or ...

Take a dip in the cool setting of the volcano at Crater Lake KLAMATH FALLS, OREGON — Crater Lake has the clearest and deepest ...

Amazing footage taken by Japan's Coast Guard shows an eruption near Iwo Jima after an eruption just two months prior to when ...

Distant-source tsunami: More than 350 people could die or be injured along the Southern California coast if people wait to ...

Fortunately for residents of California, Oregon and Washington ... Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth’s volcanic output ...

Fortunately for residents of California, Oregon and Washington ... Advertising Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth’s volcanic ...

Fortunately for residents of California, Oregon and Washington ... Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth's volcanic output ...

Fortunately for residents of California, Oregon and Washington ... Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth's volcanic output ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year -- nearly a mile deep and about 700 miles northwest of San Francisco, California ...

An underwater volcano off the Pacific Coast could erupt ... Pacific Ocean and 300 miles off the Oregon coast. In relation to California, it is about 700 miles northwest of San Francisco, according ...