Through all of those changes, Amboy Crater - the large black cinder cone volcano that looms over Amboy and Route 66 - has ...

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 ...

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 ...

The next big earthquake. Wildfire perils. Steph Curry breaking both ankles simultaneously. California definitely has its share of potential disasters – but one you might not normally think of involves ...

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 ...

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 ...

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 ...

Californians have gotten used to the ground beneath their feet flinching spasmodically from earthquakes that occasionally ripple from seismic faults. Far less common are another geologic hazard ...

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 ...