U.S. Geological Survey volcanologist Seth Burgess overlooks Clear Lake and Mount Konocti, the largest peak in the Clear Lake ...

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 Francisco, the ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

The fall shoulder season is the ideal time to trek up California's second-highest volcano: There are no crowds, the weather ...

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 ...

WELLINGTON, New Zealand -- An underwater volcano in the South Pacific erupted violently on Saturday, causing tsunamis to hit Hawaii, Japan, and Tonga's largest island, Tongatapu -- sending waves ...

A new wildfire was reported today at 1:40 p.m. in Riverside County, California. Volcano Fire has burned three acres of private land. At this time, the containment status is unknown and the cause of ...

A recent survey funded by the California Department of Fish and Wildlife (CDFW) was conducted in Lassen Volcanic National Park and the ...

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 Francisco, the ...

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.