Every year, thousands of climbers test their skills on Mount Shasta, California’s fifth-highest peak and the second-highest volcano in the Cascade Range. In 2023, around 5,000 to 6,000 people ...

Newberry Volcano, Lassen Peak, and Crater Lake. Mount Shasta and Three Sisters did not display similar patterns, but that may have been due to a lack of seismic measurements. Magma reservoirs are ...

“Small reductions are felt to a greater extent.” Sign points the way to Mt. Shasta, the volcano, near the Mount Shasta Ranger Station in Mount Shasta, the city. Federal land makes up the majority of ...