Filter Total Items: 210
Date published: October 28, 2019

Talking about talking about Yellowstone (and geohazards)

Three YVO scientist communicators joined up with a university social scientist and earthquake-science communicator to offer a short course on Communicating Geohazards. 

Date published: October 21, 2019

Journey into the roots of a hydrothermal vent system!

Multiple hydrothermal breccia pipes are exposed along the northern and western shores of Yellowstone Lake and provide clues into the shallow roots of the active vent systems. 

Date published: October 14, 2019

Part-time GPS – What's Up With That?

The backbone of Yellowstone's ground-based monitoring network consists of seismic stations, which detect earthquakes, and GPS (Global Positioning System) receivers, which track ground motion.

Date published: October 7, 2019

A personal commentary: Why I dislike the term "supervolcano" (and what we should be saying instead)

Let's ditch the overused, misrepresentative, and misapplied "supervolcano" term. Instead, let's call them "caldera systems."

Date published: September 30, 2019

No, Yellowstone isn't going to wipe out humanity

YVO gets a lot of questions about whether Yellowstone, or another caldera system, will end all life on Earth. The answer is—NO, a large explosive eruption at...

Date published: September 23, 2019

Top ten things I miss (and don't miss) about Yellowstone and YVO

"It's been two years now since I stepped away from YVO, and I wanted to take this time to reflect a bit on my experiences with the observatory and as a scientist working in Yellowstone." - Jake Lowenstern, YVO Scientist-in-Charge for 15 years

Date published: September 16, 2019

What's in a Name? The Misadventures of Truman Everts

"No food, no fire; no means to procure either; alone in an unexplored wilderness, one hundred and fifty miles from the nearest human abode, surrounded by wild beasts, and famishing with hunger. It was no time for despondency."
- Truman C. Everts in his account "Thirty-Seven Days of Peril" that appeared in Scribner's Monthly, November 1871

Date published: September 9, 2019

The case of the Lava Creek Tuff and the empty reentrants

Geoscientists have never observed an active magma reservoir firsthand because magmas are stored inaccessibly deep underground. However, crystals are born, grow,...

Date published: September 2, 2019

Just how many thermal features are there in Yellowstone?

Yellowstone National park hosts more than 10,000 hydrothermal features including hot springs, geysers, fumaroles, and mud pots. But did you know that park personnel document every one of those person?

Date published: August 26, 2019

Yellowstone's newest thermal area: An up-close and personal visit!

USGS and Yellowstone National Park scientists visited a newly discovered thermal site in the park. They mapped the extent of the area and took the temperature of the subsurface using a handheld thermistor.

Date published: August 19, 2019

Helium isotopes carry messages from the mantle

Scientists who work at Yellowstone are interested in finding physical and chemical signals from the deep magmatic system, both to better understand the nature of the system and also to monitor for possible changes. Helium is an inert gas that is an excellent tracer of magmatic processes.

Date published: August 12, 2019

What caused Yellowstone's past eruptions, and how do we know?

What does cause an eruption at volcanoes like Yellowstone? To answer this question, we look at small crystals that formed in erupted volcanic rocks!