The eruptions of 1914-1915 utterly transformed Mount Lassen. A 3-mile area around the peak was renamed, succinctly and accurately, Devastated Area. Even today, there are places where the landscape ...

California's last major destructive volcanic eruption came more than a century ago. Lassen Peak underwent a series of eruptions between 1914 and 1917. One explosive eruption in 1915 obliterated a ...

The last major eruption to occur in California was on May 22, 1915, when Lassen Peak threw lava bombs tens of miles from the summit and ash over 300 miles into Nevada. The nation’s first ...

The road is currently open up to the Bumpass Hell parking area, located about six miles from the Visitor Center. Visitors can ...

Before it became Lassen Volcanic National Park, Lassen Peak rocked Northern California with a series of eruptions between 1914 and 1921. On May 30, 1914, a small phreatic eruption (which is when ...

The explosion was the strongest since 2021, expelling ash, dust, lava and a pyroclastic flow, but no injuries or deaths were ...

Its namesake feature, the 10,457-foot Lassen Peak, is one of the world's largest ... State Park owes much of its existence to volcanic eruptions millions of years ago. The park boundaries contain ...

California’s last major destructive volcanic eruption came more than a century ago. Lassen Peak underwent a series of eruptions between 1914 and 1917. One explosive eruption in 1915 obliterated ...