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 ...

One of California’s riskiest volcanoes has for decades been undergoing geological changes and seismic activity, which are sometimes a precursor to an eruption, but — thankfully — no ...

Yosemite National Park continues to be number one among all California's national parks ... of the more fascinating backstories. The Newberry Volcano formed over 600,000 years ago with its first major ...

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

One of California's riskiest volcanoes has for decades been undergoing geological changes and seismic activity, which are sometimes a precursor to an eruption, but—thankfully—no supervolcanic ...

Last Saturday, California Volcano Observatory released a statement saying that a magnitude 5.4 earthquake (an aftershock of the 7.1 event) had triggered an earthquake swarm at the Coso Volcanic Field.

Northern California is home to four volcano's all of which have a threat ranking of high to ... Overall the USGS predicts a 16% chance of a small-to-moderate-sized eruption in California over the ...

California's most recent volcanic eruption rained ash for 300 miles By Katie Dowd , Managing editor Nov 30, 2022 A photograph taken by Benjamin Franklin Loomis shows Mount Lassen erupting in May 1915.

Timelapse video from the U.S. Geological Survey shows two different eruptions at the Kilauea volcano in less than two weeks.

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 ...

California's central coast saw waves of up to 2.5 feet. The largest waves have been observed in Port San Luis, Arena Cove and Crescent City, as of late Saturday afternoon, the NWS said .

Volcanologists at the U.S. Geological Survey’s California Volcano Observatory have spent decades mapping Mount Shasta’s geologic history. When it came to rocks dated to 1786, no evidence of ...