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Volcano Science Center images.
Looking west over The Gap subbasin of Norris Geyser Basin, Yellowstone National Park, from a vantage point on the Ragged Hills. The mountain in the distance is Mt. Holmes. Photo taken in June 2018 by Lauren Harrison.
Looking west over The Gap subbasin of Norris Geyser Basin, Yellowstone National Park, from a vantage point on the Ragged Hills. The mountain in the distance is Mt. Holmes. Photo taken in June 2018 by Lauren Harrison.
Time series of vertical displacements during April–October 2017 at four GPS stations (LAK1, LAK2, LKWY, and SEDG) on the north side of Yellowstone Lake. Downward trends indicate subsidence and upward trends show uplift. Uplift “spikes” in late September are related to inclement weather and do not show true deformation. Error bars are one standard deviation.
Time series of vertical displacements during April–October 2017 at four GPS stations (LAK1, LAK2, LKWY, and SEDG) on the north side of Yellowstone Lake. Downward trends indicate subsidence and upward trends show uplift. Uplift “spikes” in late September are related to inclement weather and do not show true deformation. Error bars are one standard deviation.
Horizontal displacements from campaign (black vectors) and continuous (red vectors, with station names given) GPS stations, as well as vertical displacements (indicated by color of GPS station symbol) near South Sister, Oregon. Length of arrow gives amount of horizontal displacement, with scale in lower left showing an arrow length
Horizontal displacements from campaign (black vectors) and continuous (red vectors, with station names given) GPS stations, as well as vertical displacements (indicated by color of GPS station symbol) near South Sister, Oregon. Length of arrow gives amount of horizontal displacement, with scale in lower left showing an arrow length
Photograph showing roadcut exposure of Huckleberry Ridge Tuff and Mesa Falls Tuff along U.S. Route 20 between Ashton and Island Park, Idaho. This exposure is approximately 60 feet high.
Photograph showing roadcut exposure of Huckleberry Ridge Tuff and Mesa Falls Tuff along U.S. Route 20 between Ashton and Island Park, Idaho. This exposure is approximately 60 feet high.
Field crew from Oregon State University and University of Wisconsin-Madison install a magnetotelluric site within Yellowstone National Park.
Field crew from Oregon State University and University of Wisconsin-Madison install a magnetotelluric site within Yellowstone National Park.
The head of an immature wetsalts tiger beetle at the entrance to the burrow it dug. Photo by Robert K. D. Peterson, 2017.
The head of an immature wetsalts tiger beetle at the entrance to the burrow it dug. Photo by Robert K. D. Peterson, 2017.
Map showing volcanoes that formed at the leading edge of the Yellowstone hotspot in the past several million years. (A) Map of northwest Wyoming, eastern Idaho, and southern Montana (modified from Brueseke et al., 2017, https://doi.org/10.1130/GES01553.1). Upper Wind River Basin (UWRB) is depicted by dashe
Map showing volcanoes that formed at the leading edge of the Yellowstone hotspot in the past several million years. (A) Map of northwest Wyoming, eastern Idaho, and southern Montana (modified from Brueseke et al., 2017, https://doi.org/10.1130/GES01553.1). Upper Wind River Basin (UWRB) is depicted by dashe
Grant Village boat dock, on the West Thumb of Yellowstone Lake, where a water-level sensor measures the level of the lake. Photo by David Mencin (EarthScope Consortium).
Grant Village boat dock, on the West Thumb of Yellowstone Lake, where a water-level sensor measures the level of the lake. Photo by David Mencin (EarthScope Consortium).
WorldView-2 natural-color satellite image from December 9, 2017, showing thermal areas as snow-free zones on the north side of Mallard Lake resurgent dome in Yellowstone National Park.
WorldView-2 natural-color satellite image from December 9, 2017, showing thermal areas as snow-free zones on the north side of Mallard Lake resurgent dome in Yellowstone National Park.
A blue glow is emitted by radiation during operation of the USGS TRIGA® Reactor, a low-power nuclear research reactor in Denver, Colorado. Photo by Christopher Farwell, October 27, 2017.
A blue glow is emitted by radiation during operation of the USGS TRIGA® Reactor, a low-power nuclear research reactor in Denver, Colorado. Photo by Christopher Farwell, October 27, 2017.
Echinus Geyser in eruption on October 24, 2017. Photo by MA Bellingham, used with permission.
Echinus Geyser in eruption on October 24, 2017. Photo by MA Bellingham, used with permission.
A weir constructed by Irving Friedman and Dan Norton to measure water discharge and to monitor changes in hydrothermal activity on a tributary flowing into Boundary Creek in southwest Yellowstone National Park. USGS photo by Shaul Hurwitz, September 17, 2017.
A weir constructed by Irving Friedman and Dan Norton to measure water discharge and to monitor changes in hydrothermal activity on a tributary flowing into Boundary Creek in southwest Yellowstone National Park. USGS photo by Shaul Hurwitz, September 17, 2017.
Focal mechanism determined by moment tensor analysis, which uses a model to fit the long-period (~10 s period or greater) ground motion records recorded at multiple locations.
Focal mechanism determined by moment tensor analysis, which uses a model to fit the long-period (~10 s period or greater) ground motion records recorded at multiple locations.
A newly emerged adult wetsalts tiger beetle. Photo by Robert K. D. Peterson, 2017.
A newly emerged adult wetsalts tiger beetle. Photo by Robert K. D. Peterson, 2017.
Panoramic of the West Yellowstone rhyolite lava flow taken along Highway 20 (between the West entrance of Yellowstone National Park and Madison Junction). The flow is approximately 111,000 years old and has a volume of about 41 km3 (10 mi3).
Panoramic of the West Yellowstone rhyolite lava flow taken along Highway 20 (between the West entrance of Yellowstone National Park and Madison Junction). The flow is approximately 111,000 years old and has a volume of about 41 km3 (10 mi3).
Big Southern Butte, a rhyolite dome located in the eastern Snake River Plain of Idaho. Photo by Devin Englestead, BLM (https://flic.kr/p/VYMDKz).
Big Southern Butte, a rhyolite dome located in the eastern Snake River Plain of Idaho. Photo by Devin Englestead, BLM (https://flic.kr/p/VYMDKz).
A geologist examples a basaltic lava flow along the Madison River, looking for an area that can yield samples suitable for 40Ar/39Ar geochronology. USGS photo by Jorge Vazquez, June 2017.
A geologist examples a basaltic lava flow along the Madison River, looking for an area that can yield samples suitable for 40Ar/39Ar geochronology. USGS photo by Jorge Vazquez, June 2017.
The geology of the Jim McClure-Jerry Peak Wilderness area in central Idaho includes the Challis volcanics, which erupted about 52–45 million years ago. Photo by Matt Liedecker, Bureau of Land Management, May 23, 2017 (https://www.flickr.com/photos/blmidaho/34808808006/).
The geology of the Jim McClure-Jerry Peak Wilderness area in central Idaho includes the Challis volcanics, which erupted about 52–45 million years ago. Photo by Matt Liedecker, Bureau of Land Management, May 23, 2017 (https://www.flickr.com/photos/blmidaho/34808808006/).
Plowing operations in Yellowstone National Park. Photo by Jake Frank, March 28, 2017.
Plowing operations in Yellowstone National Park. Photo by Jake Frank, March 28, 2017.
Allan Lerner works in the USGS volcanic gas geochemistry group. The photo was taken in the crater of Mount St. Helens, with Spirit Lake and Mount Rainier in the distance. USGS photo by P. Kelly.
Allan Lerner works in the USGS volcanic gas geochemistry group. The photo was taken in the crater of Mount St. Helens, with Spirit Lake and Mount Rainier in the distance. USGS photo by P. Kelly.
Helicopter with airborne electromagnetics sensors dangling beneath as it flies over a portion of Yellowstone National Park. Photo by Jeff Hungerford, November 2016.
Helicopter with airborne electromagnetics sensors dangling beneath as it flies over a portion of Yellowstone National Park. Photo by Jeff Hungerford, November 2016.