Multimedia

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Map and stratigraphy of ashflow sheets from Yellowstone Hotspot
December 31, 2020

Map and stratigraphy of ashflow sheets from Yellowstone Hotspot

Newly identified ash flow sheets within the Yellowstone–Snake River Plain volcanic province (Y-SRP).  The small inset in the center shows the track of the Yellowstone hotspot and its associated eruptive centers in light gray (M—McDermitt; OH—Owyhee-Humboldt; BJ—Bruneau-Jarbidge; TF—Twin Falls; P—Picabo; H—Heise; Y—Yellowstone). On the left are geological logs through the

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150 year Comparison of Giant and Castle Geysers, Yellowstone
January 1, 2021

150 year Comparison of Giant and Castle Geysers, Yellowstone

Comparison of photos from Giant and Castle Geysers separated by almost 150 years. These images suggest almost no changes to the geyser structure implying that large geysers form over thousands of years. 

Photo credits: Top left: U.S. Geological Survey Denver Library Photographic Collection, Jackson, W.H. Collection. Top right: NPS public domain.  Lower left: U.S.

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July 1, 2020

Yellowstone Volcano Observatory Monthly Update: July 1, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during June 2020.
 

Simplified Geologic Map of Yellowstone National Park
June 5, 2020

Simplified Geologic Map of Yellowstone National Park

Simplified Geologic Map of Yellowstone, modified from USGS I-711 by Marli Miller, University of Oregon. All rock material resulting from the major caldera-forming eruptions are labelled at Qt, where the dashed caldera boundary highlights the scale of these events. Older volcanic, sedimentary and metamorphic rocks are found outside of this boundary.

May 31, 2020

Yellowstone Volcano Observatory Monthly Update: June 1, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during May 2020.
 

Screen captures of the WGS digital mapping service Yellowstone
May 22, 2020

Screen captures of the WGS digital mapping service Yellowstone

A Light Detection and Ranging (LiDAR) shaded relief image overlaid on an aerial imagery basemap. The Sulphur Hills, part of the Sour Creek Resurgent Dome, are visible in the upper half of the image, while the floodplain and meanders of Pelican Creek are visible at the bottom. Black lines show faults, blue lines symbolize watercourses, and shaded polygons show waterbodies

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Screen captures of the WGS digital mapping service Yellowstone
May 22, 2020

Screen captures of the WGS digital mapping service Yellowstone

Geology of Yellowstone Map zoomed into the Lower Geyser Basin. This view shows a park-wide geologic map overlaid on a shaded relief layer from a digital elevation model. Red diamonds and black circles show geysers and gas sample locations, respectively.

Screen capture of Yellowstone Volcano Observatory website in 2009
May 8, 2020

Screen capture of Yellowstone Volcano Observatory website in 2009

Archive view of the Yellowstone Volcano Observatory website in 2009.

Screen capture of Yellowstone Volcano Observatory website in 2001
May 8, 2020

Screen capture of Yellowstone Volcano Observatory website in 2001

Archive view of the Yellowstone Volcano Observatory website in 2001.

May 1, 2020

Yellowstone Volcano Observatory Monthly Update: May 1, 2020

Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, gives an overview of activity at Yellowstone during April 2020.
 

Sunset lake in Black Sand Basin of Yellowstone National Park
May 1, 2020

Sunset lake in Black Sand Basin of Yellowstone National Park

Sunset lake in Black Sand Basin of Yellowstone National Park

Grand Prismatic Spring in Midway Geyser Basin Yellowstone
May 1, 2020

Grand Prismatic Spring in Midway Geyser Basin Yellowstone

Grand Prismatic Spring in Midway Geyser Basin Yellowstone National Park on October 19, 2017.