Contact USGS

  • About
  • Observatories
  • Activity
  • Education
  • Publications

= Yellowstone National Park
= Caldera
Yellowstone Monthly Update
Monday, November 02, 2015 10:37 AM
 Current Volcano Alert Level: NORMAL
 Current Aviation Color Code: GREEN
YVO's Mission
The Yellowstone Volcano Observatory provides timely monitoring and hazard assessment of volcanic, hydrothermal, and earthquake activity in the Yellowstone Plateau region.

Features   (archive)
Quick Links

Dr. Robert B. Smith, a living legend around Yellowstone, shares details of his 55 years of researching the volcano.
August 10, 2015
Robert B. Smith (Bob), a professor of geophysics and scientist at the University of Utah, has been collaborating with USGS scientists on Yellowstone geologic topics since the 1960's. In this interview with the USGS, Bob explains that he likes to work on Yellowstone because, "you are seeing processes that are active's real time geology, and that's what makes it exciting for me. We can look at the processes developed from studying Yellowstone, and then apply those processes to other places in the earth where there are volcanoes and big faults or earthquakes." He is right, Yellowstone is a natural laboratory for volcanologic research, and he explains more about his work there and with the USGS in this newly released interview. You can watch three additional interviews with legendary Yellowstone scientists on our multimedia webpage.
Five Things Most People Get Wrong About the Yellowstone Volcano
May 08, 2015
We can't help but notice the comments in social media, and even the ticklers and headlines in the newspapers and blogs. Sometimes, people spread misinformation even when they think they know the facts. This new article dispels five of the most common misunderstandings about Yellowstone.
Seismic research finds two magma storage regions beneath Yellowstone
April 23, 2015
Researchers at the University of Utah and their colleagues at the University of New Mexico and Caltech released a paper in the journal Science on their latest imaging of the crust beneath Yellowstone using seismic techniques. This is the first study to verify what has been long suspected..that magma exists beneath Yellowstone volcano throughout the extent of the Earth's crust, which is 43-km- (27-mi-) thick beneath Yellowstone. Read a summary of the study including further discussion of the implications. The original article can be found on the Science website.
Videos help make sense of seismic data and the history of geologic research at Yellowstone
October 21, 2014

YVO staff contributed to a new USGS video entitled: "An Illustrated Guide to Reading a Seismogram." This off-beat video provides a short, introductory lesson on how the seismic plots are generated and the potential sources for "signals" on a seismogram.

If you're looking for additional insight on Yellowstone geology, three video interviews were added in September. USGS Video Producer Steve Wessells conducted interviews with some of the key USGS scientists who unlocked the secrets to Yellowstone's volcanic and geothermal history. Bob Christiansen, Patrick Muffler and Bob Fournier reminisce about their early careers working at Yellowstone in the 1960s and 1970s.

Featured Articles
Internet Mapping Service
Yellowstone Volcanic History
Yellowstone Hazards
University of Utah Seismographs
University of Utah Research Group
Images, Podcasts, Videos, and Webcams
Frequently Asked Questions

Quick Facts
Location: Wyoming and Montana
Latitude: 44.615° N
Longitude: 110.6° W
Elevation: 2,805 (m) 9,203 (f)
Volcano type: Caldera
Composition: basalt to rhyolite
Most recent eruption: 70,000 years ago—lava, current—hydrothermal explosions