1915 Lassen Peak EruptionThe 100th anniversary of the May 22, 1915 explosive eruption of Lassen Peak was celebrated in the summer of 2015. 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.
- A Sight "Fearfully Grand": Eruptions of Lassen Peak, California, 1914 to 1917—Four-page informational fact sheet detailing the events surrounding the 1915 eruption with historic photographs by Benjamin Franklin Loomis who witnessed the eruption.
- USGS Lassen Volcanic Center Website—USGS-hosted website with information about Lassen's geologic history and potential volcanic hazards. Website also includes current volcano monitoring information, publications, and images.
- Volcano Hazards Assessment for the Lassen Region, Northern California—Detailed assessment of the volcanic hazards associated with possible future activity from the Lassen Volcanic Center region, published in 2012.
- Geologic Map of Lassen Volcanic National Park and Vicinity, California—Comprehensive geologic map of the area within and surrounding Lassen Volcanic National Park, published in 2010.
- Database for the Geologic Map of Lassen Volcanic National Park and Vicinity, California—Geographic Information Systems database containing all the geologic information used to publish the 2010 geologic map plus 48 annotated photographs.
- Lassen Volcanic National Park Website—National Park Service website with information relating to visiting and staying in the park with current conditions.