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Images related to Yellowstone Volcano Observatory.

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High-resolution satellite images of Norris Geyser Basin showing the area of Porcelain Basin and Nuphar Lake in April 2024
High-resolution satellite images of Norris Geyser Basin showing the area of Porcelain Basin and Nuphar Lake in April 2024
High-resolution satellite images of Norris Geyser Basin showing the area of Porcelain Basin and Nuphar Lake in April 2024
High-resolution satellite images of Norris Geyser Basin showing the area of Porcelain Basin and Nuphar Lake in April 2024

High-resolution satellite images of Norris Geyser Basin showing the area of Porcelain Basin and Nuphar Lake in April 2024.  In the left image, acquired on April 2, 2024, springs on Porcelain Terrace are full of water, and warm hydrothermal water is flowing into Nuphar Lake, keeping the north part of the lake free of ice.  Boardwalks in the area appear as w

High-resolution satellite images of Norris Geyser Basin showing the area of Porcelain Basin and Nuphar Lake in April 2024.  In the left image, acquired on April 2, 2024, springs on Porcelain Terrace are full of water, and warm hydrothermal water is flowing into Nuphar Lake, keeping the north part of the lake free of ice.  Boardwalks in the area appear as w

History of travertine deposition in Yellowstone caldera and correlation with past climate conditions
History of travertine deposition in Yellowstone caldera and correlation with past climate conditions
History of travertine deposition in Yellowstone caldera and correlation with past climate conditions
History of travertine deposition in Yellowstone caldera and correlation with past climate conditions

History of travertine deposition in Yellowstone caldera and correlation with past climate conditions. a) The age of travertine samples (based on the U-230Th geochronometer) from Old Hillside Springs, Hillside Springs, North Hillside Springs, and Morning Glory in Upper Geyser Basin and from Firehole Lake in Lower Geyser Basin.

History of travertine deposition in Yellowstone caldera and correlation with past climate conditions. a) The age of travertine samples (based on the U-230Th geochronometer) from Old Hillside Springs, Hillside Springs, North Hillside Springs, and Morning Glory in Upper Geyser Basin and from Firehole Lake in Lower Geyser Basin.

bull elk with large antlers walking through heavy snow
Bull elk wintering in Yellowstone National Park
Bull elk wintering in Yellowstone National Park
Bull elk wintering in Yellowstone National Park

Photo of a bull elk wintering in Yellowstone National Park. Photo by Elizabeth Mordensky, March 5, 2024.

Melt inclusions in a quartz crystal from the Huckleberry Ridge Tuff
Melt inclusions in a quartz crystal from the Huckleberry Ridge Tuff
Melt inclusions in a quartz crystal from the Huckleberry Ridge Tuff
Melt inclusions in a quartz crystal from the Huckleberry Ridge Tuff

Melt inclusions (<50 micrometers in diameter) in a quartz crystal from the Huckleberry Ridge Tuff, erupted 2.1 million years ago. Photomicrograph taken by Behnaz Hosseini at Montana State University.

Melt inclusions (<50 micrometers in diameter) in a quartz crystal from the Huckleberry Ridge Tuff, erupted 2.1 million years ago. Photomicrograph taken by Behnaz Hosseini at Montana State University.

Schematic of the Huckleberry Ridge Tuff magma storage configuration
Schematic of the Huckleberry Ridge Tuff magma storage configuration
Schematic of the Huckleberry Ridge Tuff magma storage configuration
Schematic of the Huckleberry Ridge Tuff magma storage configuration

Schematic of the Huckleberry Ridge Tuff magma storage configuration, consisting of discrete batches of magma. Analyzing the compositions of melt inclusions can help paint this type of big picture of the magmatic system. Figure modified from Myers et al. (2016).

Schematic of the Huckleberry Ridge Tuff magma storage configuration, consisting of discrete batches of magma. Analyzing the compositions of melt inclusions can help paint this type of big picture of the magmatic system. Figure modified from Myers et al. (2016).

Map of the locations of water samples collected in and around Yellowstone National Park, 1883-2021
Map of the locations of water samples collected in and around Yellowstone National Park, 1883-2021
Map of the locations of water samples collected in and around Yellowstone National Park, 1883-2021
Illustration of the crystal growth process that leads to melt inclusion entrapment
Illustration of the crystal growth process that leads to melt inclusion entrapment
Illustration of the crystal growth process that leads to melt inclusion entrapment
Illustration of the crystal growth process that leads to melt inclusion entrapment

Illustration of the crystal growth process that leads to melt inclusion entrapment. (a) A crystal (gray area) nucleates and grows. (b) As the magma cools, the crystal corners will grow more efficiently than crystal edges. (c) This growth process will lead to the entrapment of surrounding melt (orange area).

Illustration of the crystal growth process that leads to melt inclusion entrapment. (a) A crystal (gray area) nucleates and grows. (b) As the magma cools, the crystal corners will grow more efficiently than crystal edges. (c) This growth process will lead to the entrapment of surrounding melt (orange area).

Vertical motion at GPS station P720, near the Slough Creek Campground in the northeast part of Yellowstone National Park
Vertical motion at GPS station P720, near the Slough Creek Campground in the northeast part of Yellowstone National Park
Vertical motion at GPS station P720, near the Slough Creek Campground in the northeast part of Yellowstone National Park
Histogram of Yellowstone earthquakes during 1973-2023
Histogram of Yellowstone earthquakes during 1973-2023
Histogram of Yellowstone earthquakes during 1973-2023
Histogram of Yellowstone earthquakes during 1973-2023

Histogram showing the number of earthquakes per 3-month period (quarter) in the Yellowstone region during 1973–2023.  Red bars represent all earthquakes located in the area, and blue bars indicate swarm seismicity.

Histogram showing the number of earthquakes per 3-month period (quarter) in the Yellowstone region during 1973–2023.  Red bars represent all earthquakes located in the area, and blue bars indicate swarm seismicity.

Map of Yellowstone earthquakes that were located during 1973-2023
Map of Yellowstone earthquakes that were located during 1973-2023
Map of Yellowstone earthquakes that were located during 1973-2023
Map of Yellowstone earthquakes that were located during 1973-2023

Map of Yellowstone earthquakes that were located during 1973-2023. Red circles are earthquakes located in the Yellowstone region, and blue circles indicate swarm seismicity.  The size of the circle scales with the magnitude of the earthquake.

Map of Yellowstone earthquakes that were located during 1973-2023. Red circles are earthquakes located in the Yellowstone region, and blue circles indicate swarm seismicity.  The size of the circle scales with the magnitude of the earthquake.

Table showing types of geothermal data and levels at which different responses are required, colored red-yellow-green according to severity
Trigger Action Response Plan for the Yellowstone River Bridge project
Trigger Action Response Plan for the Yellowstone River Bridge project
Trigger Action Response Plan for the Yellowstone River Bridge project

Trigger Action Response Plan (TARP) for the Yellowstone River Bridge replacement project.  The plan gives three levels of response for various conditions that might be encountered during drilling of bridge footings.  The level of severity is indicated by the colors, with green being least severe and red being most severe.

Trigger Action Response Plan (TARP) for the Yellowstone River Bridge replacement project.  The plan gives three levels of response for various conditions that might be encountered during drilling of bridge footings.  The level of severity is indicated by the colors, with green being least severe and red being most severe.

Map of western USA with colors indicating likelihood of hydrothermal activity
Map of areas predicted as having conditions favorable for fostering a hydrothermal system in the western United States
Map of areas predicted as having conditions favorable for fostering a hydrothermal system in the western United States
Map of areas predicted as having conditions favorable for fostering a hydrothermal system in the western United States

Map of areas predicted as having conditions favorable for fostering a hydrothermal system in the western United States.  Black dots are mapped hydrothermal systems.  From Mordensky et al., 2023 (https://www.sciencedirect.com/science/article/pii/S0375650523000160).

Map of Pacific Northwest US and Canada showing distribution of Eocene volcanic rocks with colors noting Challis volcanics
Map of Eocene igneous rocks associated with the Challis-Kamloops Belt
Map of Eocene igneous rocks associated with the Challis-Kamloops Belt
Map of Eocene igneous rocks associated with the Challis-Kamloops Belt

Map of Eocene igneous rocks associated with the Challis-Kamloops Belt. The Challis volcanics are indicated by red (extrusive) and orange (intrusive) colors.  The Absaroka volcanics are blue. Other Eocene rocks are shaded gray.  Map by Zach Lifton, Idaho Geological Survey.

Map of Eocene igneous rocks associated with the Challis-Kamloops Belt. The Challis volcanics are indicated by red (extrusive) and orange (intrusive) colors.  The Absaroka volcanics are blue. Other Eocene rocks are shaded gray.  Map by Zach Lifton, Idaho Geological Survey.

Plot of specific conductance, discharge, and temperature measured at the Yellowstone River at Corwin Springs, MT, in early-mid 2023
Plot of specific conductance, discharge, and temperature measured at the Yellowstone River at Corwin Springs, MT, in early-mid 2023
Plot of specific conductance, discharge, and temperature measured at the Yellowstone River at Corwin Springs, MT, in early-mid 2023
Plot of specific conductance, discharge, and temperature measured at the Yellowstone River at Corwin Springs, MT, in early-mid 2023

Plot of specific conductance, discharge, and temperature measured at the Yellowstone River at Corwin Springs, Montana, during early-mid 2023. The anomalous spikes in temperature and specific conductance on May 23, 2023, are thought to be when a large sand and bar was deposited at the site. May 23 is also the peak flow in 2023.

Hydrograph showing discharge in cubic feet per second for Corwin Springs streamgage site on the Yellowstone River, MT, spanning 1889-2023
Hydrograph showing discharge in cubic feet per second for Corwin Springs streamgage site on the Yellowstone River, MT, spanning 1889-2023
Hydrograph showing discharge in cubic feet per second for Corwin Springs streamgage site on the Yellowstone River, MT, spanning 1889-2023
Hydrograph showing discharge in cubic feet per second for Corwin Springs streamgage site on the Yellowstone River, MT, spanning 1889-2023

Hydrograph showing discharge in cubic feet per second for Corwin Springs streamgage site on the Yellowstone River, MT, spanning 1889-2023.  The spike in 2022 is from the June floods of that year.

Map of earthquakes in the Yellowstone National Park region in 2023
Map of earthquakes in the Yellowstone National Park region in 2023
Map of earthquakes in the Yellowstone National Park region in 2023
Map of earthquakes in the Yellowstone National Park region in 2023

Map of seismicity (red circles) in the Yellowstone region during 2023. Gray lines are roads, black dashed line shows the caldera boundary, Yellowstone National Park is outlined by black dot-dashed line, and gray dashed lines denote state boundaries.

Map of seismicity (red circles) in the Yellowstone region during 2023. Gray lines are roads, black dashed line shows the caldera boundary, Yellowstone National Park is outlined by black dot-dashed line, and gray dashed lines denote state boundaries.

Infrasound data from Norris Geyser Basin showing November 13, 2023, eruption of Steamboat Geyser
Infrasound data from Norris Geyser Basin showing November 13, 2023, eruption of Steamboat Geyser
Infrasound data from Norris Geyser Basin showing November 13, 2023, eruption of Steamboat Geyser
Infrasound data from Norris Geyser Basin showing November 13, 2023, eruption of Steamboat Geyser

Infrasound-array processing for the newly installed station YNB, at Norris Geyser Basin. Top panel shows the pressure waveform from one of the three elements that comprise the array, filtered between 1 and 15 Hz. Bottom panel shows the backazimuth from the station to the source.

Infrasound-array processing for the newly installed station YNB, at Norris Geyser Basin. Top panel shows the pressure waveform from one of the three elements that comprise the array, filtered between 1 and 15 Hz. Bottom panel shows the backazimuth from the station to the source.

Thermal imagery from near Beryl Spring, Yellowstone National Park, showing heat from a buried pipe
Thermal imagery from near Beryl Spring, Yellowstone National Park, showing heat from a buried pipe
Thermal imagery from near Beryl Spring, Yellowstone National Park, showing heat from a buried pipe
Thermal imagery from near Beryl Spring, Yellowstone National Park, showing heat from a buried pipe

Thermal imagery from near Beryl Spring showing heat from a buried pipe that vents steam from the concrete containment box built in1962 around a spring that opened in the adjacent roadbed in 1942. National Park Service photo by Erin Dundas, November 8, 2023.

Shaded relief maps based on lidar data and showing landslides in the area of Yankee Jim Canyon, Montana
Shaded relief maps based on lidar data and showing landslides in the area of Yankee Jim Canyon, Montana
Shaded relief maps based on lidar data and showing landslides in the area of Yankee Jim Canyon, Montana
Shaded relief maps based on lidar data and showing landslides in the area of Yankee Jim Canyon, Montana

Shaded relief maps based on lidar data and showing landslides in the area of Yankee Jim Canyon, Montana. Lidar imagery is given as a colored, shaded slope map, with higher elevations in brown and white, and lower elevations in green. Darker shading indicates steeper slopes.

Shaded relief maps based on lidar data and showing fault scarps in Paradise Valley, Montana
Shaded relief maps based on lidar data and showing fault scarps in Paradise Valley, Montana
Shaded relief maps based on lidar data and showing fault scarps in Paradise Valley, Montana
Shaded relief maps based on lidar data and showing fault scarps in Paradise Valley, Montana

Shaded relief maps based on lidar data and showing fault scarps in Paradise Valley, Montana.  Lidar imagery is given as a colored, shaded slope map, with higher elevations in brown and white, and lower elevations in green. Darker shading indicates steeper slopes. Top image is a northwestward view (toward Livingston) of Paradise Valley near Carbella.

Shaded relief maps based on lidar data and showing fault scarps in Paradise Valley, Montana.  Lidar imagery is given as a colored, shaded slope map, with higher elevations in brown and white, and lower elevations in green. Darker shading indicates steeper slopes. Top image is a northwestward view (toward Livingston) of Paradise Valley near Carbella.

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