Yellowstone Volcano Observatory

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Filter Total Items: 249
Date published: October 30, 2015

Genetic Study Confirms Growth of Yellowstone Grizzly Bear Population

BOZEMAN, Mont. – Genetic data show the grizzly bear population in the Greater Yellowstone Ecosystem has grown since the 1980s with no loss in genetic diversity, according to a report by the Interagency Grizzly Bear Study Team.

Date published: April 23, 2015

Using Seismic Waves to Image the Yellowstone Magma Storage Region

How do we know what's beneath Yellowstone, and how can we image the shallow magma?

Date published: February 11, 2015

Effects of Water-Use Development on Yellowstone River Streamflow Analyzed

A new fact sheet published by the U.S. Geological Survey describes the cumulative hydrologic effects of water-resource development in the Yellowstone River. 

Date published: October 2, 2014

Bullfrog Invasion of the Yellowstone River

The American bullfrog has expanded its invasion of the Yellowstone River floodplain in Montana, according to a new study released in “Aquatic Invasions.”

Date published: August 27, 2014

Modeling the Ash Distribution of a Yellowstone Supereruption

The topic of Yellowstone supereruptions (ones producing greater than one thousand cubic kilometers of volcanic debris) generates much interest, but also occasional confusion. Computer models can help clarify the reality of eruption impacts, and provide insight on past eruptions.

Date published: April 11, 2014

Science Report Guides Protection of Old Faithful Thermal Features and Historic Yellowstone Buildings

A newly published scientific report on the geology and hydrology in the area around Old Faithful in Yellowstone National Park includes suggestions on how to avoid harming the unique hydrothermal (hot water) features during maintenance of nearby park roads, utilities, and historic buildings.

Date published: January 21, 2014

The Yellowstone Volcano: Past, Present and Future

What is all the buzz about in the Yellowstone area? Is it really dangerous? On January 23rd Jake Lowenstern, Scientist-in-Charge of Yellowstone Volcano Observatory will explain what is happening now with earthquakes, ground uplift, and steam explosions.

Date published: June 6, 2013

Repeating earthquakes suggest volcanic and tectonic origins of Yellowstone seismic swarms (2013)

Yellowstone is located in a region of the United States where both volcanic and tectonic processes occur. Yellowstone is also at the edge of the Basin and Range Province and therefore experiences tectonic strain associated with slow spreading of the earth's crust. 

Date published: June 5, 2013

Migration No Longer Best Strategy for Yellowstone Elk

Migratory elk are coming back from Yellowstone National Park with fewer calves due to drought and increased numbers of big predators – two landscape-level changes that are reducing the benefits of migration with broader implications for conservation of migratory animals, according to a new study published in the journal Ecology.

Date published: March 20, 2013

Sloshing Detected in Yellowstone Lake Helps to Locate Magma Storage Region (2013)

Several years ago, using sensitive new monitoring equipment located in shallow boreholes, scientific staff from UNAVCO, a member institution of the Yellowstone Volcano Observatory (YVO), detected an odd rhythmic signal near Yellowstone Lake.

Date published: February 19, 2013

Gases in Brimstone Basin Indicate Heated Pasts (2013)

In Fall of 2012, Deborah Bergfeld (USGS) and colleagues published a paper in the journal Chemical Geology on an unusual acid-altered region along the southeast shore of Yellowstone Lake.

Date published: June 8, 2012

Taking the Temperature of Yellowstone from Space (2012)

We all know Yellowstone is hot… but how hot? And how can we detect park- or basin-wide changes in geothermal areas (regions that let off Earth's internal heat) that may take place over months, or years?