Southern California has many treasures, but believe it or not, nothing like this hidden gem. When most of us think of volcanoes, we think of molten lava spewing up from the earth and melting ...

SAN FRANCISCO -- Tsunami advisories have been lifted for California after an undersea volcanic eruption Saturday near the Pacific nation of Tonga. That eruption Saturday sent a plume of ash, gas, and ...

More than a century has passed since the last eruptions of Lassen Peak and Mount Shasta, yet both remain active and are among the top two highest-threat volcanoes in California, according to the U.S.

California's volcanic giants are hard to miss. Mount Shasta looms over the Oregon border. Lassen Peak, the southernmost active volcano in the Cascade Range, erupted just over a century ago, blasting ...

Rising to an impressive 14,197 feet, Mount Shasta dominates the skyline of Northern California as the second-tallest peak in the Cascade Range and one of the most iconic stratovolcanoes in the United ...

The eruption of a Hawaii volcano has people warily eyeing volcanic peaks on America's West Coast. The West Coast is home to an 800-mile (1,300-kilometer) chain of 13 volcanoes from Washington state's ...

Imagine if we told you there is a massive volcano off the coast of California and that volcano is expected to erupt sometime this year. Are we in danger? And what could it mean for sea life? L.A.