Caldera Chronicles

YVO has noted, with some amusement, tabloid headlines about various diabolical schemes to trigger an eruption of Yellowstone by nuking the caldera. If...

Yellowstone is an incredibly dynamic place—there are frequent earthquakes, geysers erupt and go dormant, and the ground moves up and down. As seasoned...

"E.C. Waters, president of the Yellowstone Lake Boat Company, having rendered himself obnoxious during the season of 1907, is...debarred from the park...

Have you ever witnessed an Old Faithful Geyser eruption and wondered how it works? What hidden underground environment causes thousands of gallons of...

Last week, the USGS released an updated threat assessment for US volcanoes. The first assessment was published in 2005. The 2018 update refined the...

Have you ever played a game of telephone? Where one person says something to their neighbor, and the message is passed from person to person? The...

About 30 kilometers west of the Yellowstone National Park boundary, in Idaho, UNAVCO* field engineer Tom Lyman surveys the damage at GPS station P361...

We often talk about monitoring Yellowstone. To most people, this implies tracking earthquake activity over time, or how the ground moves up and down...

One of the most common questions asked of YVO is "when is the next big one?" This is an interesting question, given the multiple potential natural...

In about 500 BCE, Heraclitus of Ephesus declared "life is flux." Today, we know the saying better as, "the only constant is change." This is true of...