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California Volcano Observatory images.
Lassen Peak photographed from the Devastated Area prior to the 1914-1915 eruption that changed the landscape.
Lassen Peak photographed from the Devastated Area prior to the 1914-1915 eruption that changed the landscape.
Photograph of men at the Kelseyville Gas Wells, ca.1910, by M. Rieder. Courtesy of California Historical Society Collection, University of Southern California Digital Libraries.
Photograph of men at the Kelseyville Gas Wells, ca.1910, by M. Rieder. Courtesy of California Historical Society Collection, University of Southern California Digital Libraries.
Horse-drawn carriage on road in Sisson, California, El Monte Hotel in foreground, Mount Shasta in the background. Image courtesy of the Library of Congress.
Horse-drawn carriage on road in Sisson, California, El Monte Hotel in foreground, Mount Shasta in the background. Image courtesy of the Library of Congress.
Photograph of the town of Sisson (later (1922) the town of Mt. Shasta) in the distance at the foot of Mount Shasta in winter. Snow covered fir trees in the foreground. Photo courtesy of University of Southern California Libraries and California Historical Society. Digitally reproduced by the USC Digital Library.
Photograph of the town of Sisson (later (1922) the town of Mt. Shasta) in the distance at the foot of Mount Shasta in winter. Snow covered fir trees in the foreground. Photo courtesy of University of Southern California Libraries and California Historical Society. Digitally reproduced by the USC Digital Library.
This photo of the Cinder Cone scoria cone volcano north of Lassen Peak was taken in 1889 by Joseph Diller, an early USGS and National Parks geologist. Photo courtesy of the National Park Service.
This photo of the Cinder Cone scoria cone volcano north of Lassen Peak was taken in 1889 by Joseph Diller, an early USGS and National Parks geologist. Photo courtesy of the National Park Service.
Infographic about the 2019 report "California's Exposure to Volcanic Hazards"
Infographic about the 2019 report "California's Exposure to Volcanic Hazards"
In a February 5, 2019 visit, USGS Director Jim Reilly was given a tour of CalVO facilities, including the Operations Room. Here Emily Montgomery-Brown explains the networks that monitor California's threatening volcanoes.
In a February 5, 2019 visit, USGS Director Jim Reilly was given a tour of CalVO facilities, including the Operations Room. Here Emily Montgomery-Brown explains the networks that monitor California's threatening volcanoes.