Images

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).

USGS Casper Office

Measuring streamflow in Goose Creek, near Acme, station 06305700

Measuring streamflow under ice, Pass Creek, near Parkman, WY, station 06289600

Cheyenne Wyoming office

The wire weight is lowered to determine stage of Bull Lake Creek above Bull Lake

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.

Wire weight mounted on bridge crossing Blacks Fork, streamgage 09219200

View of the Silver Gate landslide complex from Bunsen Peak in Yellowstone National Park.  The landslide originates from Terrace Mountain.

Setting up to measure streamflow, Muddy Creek near Dad

Installing new radar sensor and staff plate, Big Sandy River

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.

Pipetting for DNA analysis using loop-mediated isothermal amplification

Elk are not concerned with our work. USGS and the Monterey Bay Aquarium Research Institute conducted tests of the feasibility of real-time eDNA monitoring at USGS streamgage 06190540 Boiling River at Mammoth,YNP, September 13, 2017.

Mark, Nicole, Rich, Ryan, Dean taking out the "trash" from the base of the trench.

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.

Sample collection from cableway above Big Horn River near Kane, Wyoming as part of project evaluating pesticides in Wyoming.

A newly emerged adult wetsalts tiger beetle. Photo by Robert K. D. Peterson, 2017.

Taking water-quality equipment to Fogarty Creek

Upright petrified tree in Yellowstone National Park.