Link to USGS homepage
Geology of Lassen Volcanic National Park
blank spacer

Lassen Volcanic National Park is the home of four types of volcanics, all of which have been active in recent geologic history. For more information on Lassen's volcanic past and present click on the links below.

"Hot Water" in Lassen Volcanic National Park

How old is "Cinder Cone"? - Solving a Mystery in Lassen Volcanic National Park

Volcano Hazards of Lassen Volcanic National Park

Eruptions of Lassen Peak, California, 1914 to 1917

blank spacer
blank spacer
blank spacer
Link to Plate Tectonics
Link to Rocks and Minerals
Link to Geologic Time
Link to Geologic Maps
Link to Glossary
blank spacer
blank spacer
blank spacer
blank spacer
blank spacer
blank spacer
blank spacer
blank spacer
blank spacer
FirstGov, Your First Click to the U.S. Government