Lassen Volcanic Center

1915 Lassen Peak Eruption

The 100th anniversary of the May 22, 1915 explosive eruption of Lassen Peak was celebrated in the summer of 2015.

Lassen Peak photographed from the Devastated Area prior to the 1914...

Lassen Peak photographed from the Devastated Area prior to the 1914-1915 eruption that changed the landscape.

(Public domain.)

The eruption forever altered an already dynamic landscape and led to the creation of a national park which serves as a place of discovery for curious visitors and a living laboratory for a variety of scientists. To find out more about Lassen and the 1915 eruption, visit the links listed below. 
 

Lassen Peak photographed from the Devastated Area about 4 hours bef...

Lassen Peak photographed from the Devastated Area about 4 hours before the explosive eruption of May 22, 1915.

(Public domain.)

Lassen Peak's Devastated Area photographed from the air in 1994....

Lassen Peak's Devastated Area photographed from the air in 1994.

(Credit: Clynne, Michael. Public domain.)