Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample ...

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 ...

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) ...

The volcano is not very well-known among the public because scientists only discovered its existence in the 1980s. Since its discovery, the volcano has erupted three times-in 1988, 2011, and 2015.

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 ...

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 ...

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 ...

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 ...