More than a century has passed since the last eruptions of Lassen Peak and Mount Shasta, yet both remain active and are among the top two highest-threat volcanoes in California, according to the U.S.

Overflowing with otherworldly landscapes, boiling hot springs, and more than 20 volcanoes, Lassen Volcanic National Park is a unique park that still has yet to break through on the radar of the masses ...

The great hot blast of May 1915 roared down the northeast face of Lassen Peak carrying mud and debris 150 miles an hour for *** distance of 3 miles and left *** layer of mud on ranch land 25 miles ...