Add Yahoo as a preferred source to see more of our stories on Google. A scalding-hot pool of mineral water is shown at the Long Valley Caldera in 2019 near Mammoth Lakes. (George Rose / Getty Images) ...

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 ...

Jessica Ball with the California Volcano Observatory joined the show to discuss the Mt. St. Helens eruption 45 years ago and if there's been any recent activity at California's volcanoes. Russian ...

Add Yahoo as a preferred source to see more of our stories on Google. Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes ...

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 ...

Earthquakes, wildfires, floods. If you live in California, you’re likely aware of these natural hazards and the dangers associated with them. But according to a U.S. Geological Survey report released ...

Who has ‘volcanic eruption’ on their California threats bingo card? Californians are familiar with earthquakes. We’re used to facing off against wildfires. We’ve weathered storms that brought flooding ...

MOUNT SHASTA CITY, CALIFORNIA (dpa) – Mount Shasta, California’s highest volcano and the second highest in the United States, is visible on the horizon 150 kilometres away even while you are still ...

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 ...

A scalding-hot pool of mineral water is shown at the Long Valley Caldera in 2019 near Mammoth Lakes. (George Rose / Getty Images) One of California's riskiest volcanoes has for decades been undergoing ...