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.
Yellowstone Volcano Observatory
Science and Products
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 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.
USGS Scientist-in-Charge of Yellowstone Volcano Observatory, Jake Lowenstern, answers the following questions to provide a tour of the Yellowstone Volcano Observatory: "What is YVO?", "How do you monitor volcanic activity at Yellowstone?", "How are satellites used to study deformation?", "Do you monitor geysers or any other aspect of the Park?", "Are earthquakes and
USGS Scientist-in-Charge of Yellowstone Volcano Observatory, Jake Lowenstern, answers the following questions to provide a tour of the Yellowstone Volcano Observatory: "What is YVO?", "How do you monitor volcanic activity at Yellowstone?", "How are satellites used to study deformation?", "Do you monitor geysers or any other aspect of the Park?", "Are earthquakes and
Geological Map of the area around Monument Geyser Basin and Beryl Spring, taken from the Geological Map of the Yellowstone Plateau Area (Christiansen, 2001)
Geological Map of the area around Monument Geyser Basin and Beryl Spring, taken from the Geological Map of the Yellowstone Plateau Area (Christiansen, 2001)
![Shoshone Tukudika (Sheepeater) at Medicine Lodge Creek, Idaho, in 1871.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/YELL-8151.jpg?itok=q1xJk0e1)
Shoshone Tukudika (Sheepeater) men, women, and children at Medicine Lodge Creek, Idaho, in 1871. This photo was taken by U.S. Geological Survey employee William Henry Jackson. Courtesy of National Park Service, Yellowstone National Park, YELL 8151.
Shoshone Tukudika (Sheepeater) men, women, and children at Medicine Lodge Creek, Idaho, in 1871. This photo was taken by U.S. Geological Survey employee William Henry Jackson. Courtesy of National Park Service, Yellowstone National Park, YELL 8151.
![Plot showing the solubility of amorphous silica in water as a function of temperature](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Silica%20solubility-plot.jpg?itok=xyUqrSnq)
The solubility of amorphous silica (solid silica with no crystal structure) in water as a function of temperature. When deep groundwater flows through hot rhyolite it can remove silica from the rhyolite (dissolve silica).
The solubility of amorphous silica (solid silica with no crystal structure) in water as a function of temperature. When deep groundwater flows through hot rhyolite it can remove silica from the rhyolite (dissolve silica).
![Ansel Adams photo of the Snake River and Teton Range](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Fig_1_Ansel_Adams_Photo.jpg?itok=nSPaQzxP)
The Snake River flowing below the Teton Range. Photo by Ansel Adams, 1942, public domain, https://catalog.archives.gov/id/519904.
The Snake River flowing below the Teton Range. Photo by Ansel Adams, 1942, public domain, https://catalog.archives.gov/id/519904.
![Dr. Hermon Schlundt sampling a pool in Norris Geyser Basin for radium in the early 1900s](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Schlundt%20sampling.jpg?itok=NB_qABsj)
Photo of Dr. Hermon Schlundt and a park ranger sampling a pool in Norris Geyser Basin for radium. The description of the photo states that this was the site where the radioactive element thorium was first discovered in the United States. Plate IIIB from Schlundt and Moore, 1909 (USGS Bulletin 395).
Photo of Dr. Hermon Schlundt and a park ranger sampling a pool in Norris Geyser Basin for radium. The description of the photo states that this was the site where the radioactive element thorium was first discovered in the United States. Plate IIIB from Schlundt and Moore, 1909 (USGS Bulletin 395).
![Sapphire Pool in Biscuit Basin, Yellowstone National Park, in 1887](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/biscuits.jpg?itok=zOgs6Z6f)
Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.
Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.
Science and Products
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.
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.
USGS Scientist-in-Charge of Yellowstone Volcano Observatory, Jake Lowenstern, answers the following questions to provide a tour of the Yellowstone Volcano Observatory: "What is YVO?", "How do you monitor volcanic activity at Yellowstone?", "How are satellites used to study deformation?", "Do you monitor geysers or any other aspect of the Park?", "Are earthquakes and
USGS Scientist-in-Charge of Yellowstone Volcano Observatory, Jake Lowenstern, answers the following questions to provide a tour of the Yellowstone Volcano Observatory: "What is YVO?", "How do you monitor volcanic activity at Yellowstone?", "How are satellites used to study deformation?", "Do you monitor geysers or any other aspect of the Park?", "Are earthquakes and
Geological Map of the area around Monument Geyser Basin and Beryl Spring, taken from the Geological Map of the Yellowstone Plateau Area (Christiansen, 2001)
Geological Map of the area around Monument Geyser Basin and Beryl Spring, taken from the Geological Map of the Yellowstone Plateau Area (Christiansen, 2001)
![Shoshone Tukudika (Sheepeater) at Medicine Lodge Creek, Idaho, in 1871.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/YELL-8151.jpg?itok=q1xJk0e1)
Shoshone Tukudika (Sheepeater) men, women, and children at Medicine Lodge Creek, Idaho, in 1871. This photo was taken by U.S. Geological Survey employee William Henry Jackson. Courtesy of National Park Service, Yellowstone National Park, YELL 8151.
Shoshone Tukudika (Sheepeater) men, women, and children at Medicine Lodge Creek, Idaho, in 1871. This photo was taken by U.S. Geological Survey employee William Henry Jackson. Courtesy of National Park Service, Yellowstone National Park, YELL 8151.
![Plot showing the solubility of amorphous silica in water as a function of temperature](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Silica%20solubility-plot.jpg?itok=xyUqrSnq)
The solubility of amorphous silica (solid silica with no crystal structure) in water as a function of temperature. When deep groundwater flows through hot rhyolite it can remove silica from the rhyolite (dissolve silica).
The solubility of amorphous silica (solid silica with no crystal structure) in water as a function of temperature. When deep groundwater flows through hot rhyolite it can remove silica from the rhyolite (dissolve silica).
![Ansel Adams photo of the Snake River and Teton Range](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Fig_1_Ansel_Adams_Photo.jpg?itok=nSPaQzxP)
The Snake River flowing below the Teton Range. Photo by Ansel Adams, 1942, public domain, https://catalog.archives.gov/id/519904.
The Snake River flowing below the Teton Range. Photo by Ansel Adams, 1942, public domain, https://catalog.archives.gov/id/519904.
![Dr. Hermon Schlundt sampling a pool in Norris Geyser Basin for radium in the early 1900s](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Schlundt%20sampling.jpg?itok=NB_qABsj)
Photo of Dr. Hermon Schlundt and a park ranger sampling a pool in Norris Geyser Basin for radium. The description of the photo states that this was the site where the radioactive element thorium was first discovered in the United States. Plate IIIB from Schlundt and Moore, 1909 (USGS Bulletin 395).
Photo of Dr. Hermon Schlundt and a park ranger sampling a pool in Norris Geyser Basin for radium. The description of the photo states that this was the site where the radioactive element thorium was first discovered in the United States. Plate IIIB from Schlundt and Moore, 1909 (USGS Bulletin 395).
![Sapphire Pool in Biscuit Basin, Yellowstone National Park, in 1887](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/biscuits.jpg?itok=zOgs6Z6f)
Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.
Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.