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Images related to Yellowstone Volcano Observatory.

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Annie Carlson, Research Permitting Coordinator for Yellowstone National Park during 2017–2023
Annie Carlson, Research Permitting Coordinator for Yellowstone National Park during 2017–2023
Annie Carlson, Research Permitting Coordinator for Yellowstone National Park during 2017–2023
Cathodoluminescence images of zircon mineral grains from an Archean-age rock found in the Yellowstone region
Cathodoluminescence images of zircon mineral grains from an Archean-age rock found in the Yellowstone region
Cathodoluminescence images of zircon mineral grains from an Archean-age rock found in the Yellowstone region
Cathodoluminescence images of zircon mineral grains from an Archean-age rock found in the Yellowstone region

Cathodoluminescence images generated by the interaction of electromagnetic radiation ranging in energy from ultraviolet to near infrared with sectioned and polished zircon mineral grains from an Archean-age rock found in the Yellowstone region.

Cover of Yellowstone Volcano Observatory 2021 Annual Report
Cover of Yellowstone Volcano Observatory 2021 Annual Report
Cover of Yellowstone Volcano Observatory 2021 Annual Report
Cover of Yellowstone Volcano Observatory 2021 Annual Report

Front cover of the Yellowstone Volcano Observatory 2021 annual report, which includes a summary of earthquake, deformation, and geyser activity, as well as research investigations and other information. The report is freely available online at https://pubs.er.usgs.gov/publication/cir1494.

Front cover of the Yellowstone Volcano Observatory 2021 annual report, which includes a summary of earthquake, deformation, and geyser activity, as well as research investigations and other information. The report is freely available online at https://pubs.er.usgs.gov/publication/cir1494.

Color-shaded bathymetric map of Yellowstone Lake showing locations of sediment cores and major tectonic features
Color-shaded bathymetric map of Yellowstone Lake
Color-shaded bathymetric map of Yellowstone Lake
Color-shaded bathymetric map of Yellowstone Lake

Color-shaded bathymetric map of Yellowstone Lake showing locations of sediment cores and major tectonic features (faults, fractures, lineaments, caldera margins) and hydrothermal areas (vents, domes, hydrother­mal explosion craters).

Color-shaded bathymetric map of Yellowstone Lake showing locations of sediment cores and major tectonic features (faults, fractures, lineaments, caldera margins) and hydrothermal areas (vents, domes, hydrother­mal explosion craters).

underwater image of bones lying at the bottom of a blue-water hot spring
Elk Skeleton in the bottom of Doublet Pool, Yellowstone National Park
Elk Skeleton in the bottom of Doublet Pool, Yellowstone National Park
Elk Skeleton in the bottom of Doublet Pool, Yellowstone National Park

Elk skeleton at the bottom of Doublet Pool on Geyser Hill near Old Faithful, imaged by an underwater camera in 2022.  Photo by Mara Reed, University of California, Berkeley, under research permit YELL-2022-SCI-8058.

Elk skeleton at the bottom of Doublet Pool on Geyser Hill near Old Faithful, imaged by an underwater camera in 2022.  Photo by Mara Reed, University of California, Berkeley, under research permit YELL-2022-SCI-8058.

Map of Two Ocean Pass and the Parting of the Waters
Map of Two Ocean Pass and the Parting of the Waters
Map of Two Ocean Pass and the Parting of the Waters
Map of Two Ocean Pass and the Parting of the Waters

Map of Two Ocean Pass and the Parting of the Waters. Pacific Creek flows southwest toward the Snake River, and Atlantic Creek flows northeast toward the Yellowstone River. The green line is the Continental Divide.

Map of Two Ocean Pass and the Parting of the Waters. Pacific Creek flows southwest toward the Snake River, and Atlantic Creek flows northeast toward the Yellowstone River. The green line is the Continental Divide.

Resistivity and magmatic susceptibility cross sections from Yellowstone thermal areas
Resistivity and magmatic susceptibility cross sections from Yellowstone thermal areas
Resistivity and magmatic susceptibility cross sections from Yellowstone thermal areas
Resistivity and magmatic susceptibility cross sections from Yellowstone thermal areas

Cross sections from one-dimensional electrical resistivity (top of each section) and three-dimensional magnetic susceptibility inverted models (bottom of each section) along profiles that span (a) Norris Geyser Basin, and (b) Upper Geyser Basin.  Geologic and geothermal features are from the Yellowstone geologic map. VE=vertical exaggeration.

Cross sections from one-dimensional electrical resistivity (top of each section) and three-dimensional magnetic susceptibility inverted models (bottom of each section) along profiles that span (a) Norris Geyser Basin, and (b) Upper Geyser Basin.  Geologic and geothermal features are from the Yellowstone geologic map. VE=vertical exaggeration.

Map of the Continental Divide in North America
Map of the Continental Divide in North America
Map of the Continental Divide in North America
Map of the Continental Divide in North America

Map of North American showing the Continental Divide -- an invisible line that separates the major watersheds flowing to different oceans.

Map of Yellowstone National Park showing geologic structures and thermal areas
Map of Yellowstone National Park showing geologic structures and thermal areas
Map of Yellowstone National Park showing geologic structures and thermal areas
Map of Yellowstone National Park showing geologic structures and thermal areas

Map of Yellowstone National Park showing geologic structures, including the caldera, inner ring fault, and resurgent domes, and and thermal areas (colored red).

Schematic cross section showing how rhyolite is generated at Yellowstone
Yellowstone rhyolite generation
Yellowstone rhyolite generation
Yellowstone rhyolite generation

Schematic cross section of the magmatic system underneath Yellowstone Caldera and illustrating the processes of rhyolite formation.

Schematic cross section of the magmatic system underneath Yellowstone Caldera and illustrating the processes of rhyolite formation.

Deformation at Campi Flegrei, Yellowstone, and Long Valley calderas over the past 100 years
Plot comparing caldera deformation
Plot comparing caldera deformation
Plot comparing caldera deformation

Vertical deformation measured at three caldera systems: Yellowstone, Wyoming (red), Long Valley, California (green), and Campi Flegrei, Italy (blue).  Triangles show data collected by leveling, and circles by GPS.  All three calderas have gone up and down over time, but the scale of change at Campi Flegrei dwarfs that at Long Valley and Yellowstone. 

Vertical deformation measured at three caldera systems: Yellowstone, Wyoming (red), Long Valley, California (green), and Campi Flegrei, Italy (blue).  Triangles show data collected by leveling, and circles by GPS.  All three calderas have gone up and down over time, but the scale of change at Campi Flegrei dwarfs that at Long Valley and Yellowstone. 

Spectrogram and waveform of a possible long-period earthquake in Yellowstone that occurred on August 26, 2021, near Norris Geyser Basin
Spectrogram and waveform of a possible long-period earthquake in Yellowstone
Spectrogram and waveform of a possible long-period earthquake in Yellowstone
Spectrogram and waveform of a possible long-period earthquake in Yellowstone

Spectrogram of a possible long-period (LP) earthquake in Yellowstone that occurred on August 26, 2021, near Norris Geyser Basin.  The top panel shows a 30-second seismogram recorded at seismic station YHH.  The bottom panel shows the spectrogram with energy concentrated in the 1–3 Hz range and lasting for ~15 seconds.

Spectrogram of a possible long-period (LP) earthquake in Yellowstone that occurred on August 26, 2021, near Norris Geyser Basin.  The top panel shows a 30-second seismogram recorded at seismic station YHH.  The bottom panel shows the spectrogram with energy concentrated in the 1–3 Hz range and lasting for ~15 seconds.

Spectrogram and waveform of a typical Volcano-Tectonic (VT) earthquake that occurred near Norris Geyser Basin, Yellowstone National Park
Spectrogram and waveform of a volcano-tectonic (VT) earthquake in Yellowstone
Spectrogram and waveform of a volcano-tectonic (VT) earthquake in Yellowstone
Spectrogram and waveform of a volcano-tectonic (VT) earthquake in Yellowstone

Spectrogram of a typical volcano-tectonic (VT) earthquake that occurred near Norris Geyser Basin, in the same region similar depth as the possible long-period (LP) event that was recorded on August 26, 2021.  The top panel shows a 30-second seismogram recorded at seismic station YHH.  The bottom panel shows the spectrogram with energy ranging from 1-15 Hz

Spectrogram of a typical volcano-tectonic (VT) earthquake that occurred near Norris Geyser Basin, in the same region similar depth as the possible long-period (LP) event that was recorded on August 26, 2021.  The top panel shows a 30-second seismogram recorded at seismic station YHH.  The bottom panel shows the spectrogram with energy ranging from 1-15 Hz

Photo and lidar image of Highway 191 landslide, near Yellowstone National Park
Photo and lidar image of Highway 191 landslide, near Yellowstone National Park
Photo and lidar image of Highway 191 landslide, near Yellowstone National Park
Photo and lidar image of Highway 191 landslide, near Yellowstone National Park

Top shows aerial photo of a section of US Highway 191 north of West Yellowstone in Montana. Bottom shows lidar imagery that reveals the road traversing a landslide deposit. High elevations are brown and white, and green is lower elevation. Shading indicates steeper slopes.

Top shows aerial photo of a section of US Highway 191 north of West Yellowstone in Montana. Bottom shows lidar imagery that reveals the road traversing a landslide deposit. High elevations are brown and white, and green is lower elevation. Shading indicates steeper slopes.

Landscape change in Lamar Valley, Yellowstone National Park, detected by lidar
Landscape change in Lamar Valley, Yellowstone National Park, detected by lidar
Landscape change in Lamar Valley, Yellowstone National Park, detected by lidar
Landscape change in Lamar Valley, Yellowstone National Park, detected by lidar

3D renderings of elevation change between August 2007 and October 2020 along the Lamar River in the northeast part of Yellowstone National Park.  Red regions represent >1 m (3 ft) of elevation loss, yellow indicates no change, and blue represents >1 m (3 ft) of elevation gain.

3D renderings of elevation change between August 2007 and October 2020 along the Lamar River in the northeast part of Yellowstone National Park.  Red regions represent >1 m (3 ft) of elevation loss, yellow indicates no change, and blue represents >1 m (3 ft) of elevation gain.

Photo and lidar image of Silver Gate landslide, Yellowstone National Park
Photo and lidar image of Silver Gate landslide, Yellowstone National Park
Photo and lidar image of Silver Gate landslide, Yellowstone National Park
Photo and lidar image of Silver Gate landslide, Yellowstone National Park

Top image is a view of the Silver Gate landslide complex, near Mammoth Hot Springs, from Bunsen Peak. Bottom shows roughly the same view using lidar data, colored to show elevation highs and lows and shaded by slope. Landslide scarps, roads, trails, and Glen Creek (lower left), all obscured by trees in the photograph, are much more visible in the lidar.

Top image is a view of the Silver Gate landslide complex, near Mammoth Hot Springs, from Bunsen Peak. Bottom shows roughly the same view using lidar data, colored to show elevation highs and lows and shaded by slope. Landslide scarps, roads, trails, and Glen Creek (lower left), all obscured by trees in the photograph, are much more visible in the lidar.

Landsat 8 nighttime thermal infrared image of Yellowstone from 28 January 2022
Landsat 8 nighttime thermal infrared image of Yellowstone from 28 January 2022
Landsat 8 nighttime thermal infrared image of Yellowstone from 28 January 2022
Landsat 8 nighttime thermal infrared image of Yellowstone from 28 January 2022

Landsat 8 nighttime thermal infrared image of Yellowstone from 28 January 2022.  Inset images are zoomed in on the area outlined by the white square.  Inset image (A) has the raw data values, which range from 9070 to 21284.  Inset image (B) shows the same image converted to spectral radiance, where values range from 3.13 to 7.21 W/m2/micron

Landsat 8 nighttime thermal infrared image of Yellowstone from 28 January 2022.  Inset images are zoomed in on the area outlined by the white square.  Inset image (A) has the raw data values, which range from 9070 to 21284.  Inset image (B) shows the same image converted to spectral radiance, where values range from 3.13 to 7.21 W/m2/micron

Seismic signal showing an icequake on Yellowstone Lake
Seismic signal of an icequake on Yellowstone Lake from January 24, 2022.
Seismic signal of an icequake on Yellowstone Lake from January 24, 2022.
Seismic signal of an icequake on Yellowstone Lake from January 24, 2022.

Signals from a suspected icequake that occurred on Yellowstone Lake recorded at Yellowstone Seismic Network stations YLA on Lake Butte (top) and YTP at The Promontory (bottom 3 plots). Plot shows about 2 minutes of data from January 24, 2022, starting at about 7:43:34 p.m. MST.  YLA waveform (YLA EHZ) was recorded on a vertical short-period sensor.

Signals from a suspected icequake that occurred on Yellowstone Lake recorded at Yellowstone Seismic Network stations YLA on Lake Butte (top) and YTP at The Promontory (bottom 3 plots). Plot shows about 2 minutes of data from January 24, 2022, starting at about 7:43:34 p.m. MST.  YLA waveform (YLA EHZ) was recorded on a vertical short-period sensor.

Plot showing seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption as recorded in Yellowstone
Seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption recorded by the Yellowstone Seismic Network
Seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption recorded by the Yellowstone Seismic Network
Seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption recorded by the Yellowstone Seismic Network

Signals recorded at station YDD in Yellowstone National Park from the 2022 Hunga Tonga–Hunga Haʻapai volcanic eruption. The seismometer at YDD recorded both the direct seismic phase (top left) as well as the atmospheric Lamb Wave that coupled to the ground as it propagated (top right).  The infrasound microphone at YDD recorded the atmospheric disturbance

Signals recorded at station YDD in Yellowstone National Park from the 2022 Hunga Tonga–Hunga Haʻapai volcanic eruption. The seismometer at YDD recorded both the direct seismic phase (top left) as well as the atmospheric Lamb Wave that coupled to the ground as it propagated (top right).  The infrasound microphone at YDD recorded the atmospheric disturbance

Plot showing seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption as recorded in Yellowstone
Seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption recorded by the Yellowstone Seismic Network
Seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption recorded by the Yellowstone Seismic Network
Seismic and acoustic waves from the 2022 Hunga Tonga–Hunga Haʻapai eruption recorded by the Yellowstone Seismic Network

Signals recorded at station YDD in Yellowstone National Park from the 2022 Hunga Tonga–Hunga Haʻapai volcanic eruption. The seismometer at YDD recorded both the direct seismic phase (top left) as well as the atmospheric Lamb Wave that coupled to the ground as it propagated (top right).  The infrasound microphone at YDD recorded the atmospheric disturbance

Signals recorded at station YDD in Yellowstone National Park from the 2022 Hunga Tonga–Hunga Haʻapai volcanic eruption. The seismometer at YDD recorded both the direct seismic phase (top left) as well as the atmospheric Lamb Wave that coupled to the ground as it propagated (top right).  The infrasound microphone at YDD recorded the atmospheric disturbance

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