Caldera Chronicles

What can trees tell us about Steamboat Geyser’s history? Why do Steamboat’s seismic eruption signals vary seasonally? Get up to speed on two newly...

Data from a major deployment of seismometers in 2020 is revealing new insights into the characteristics of the magma chamber beneath Yellowstone...

Long before the boardwalks, hotels, and roads, Yellowstone stood on the edge of the American wilderness. Its discovery and exploration by Euro...

Based on geologic mapping and dating of minerals, we know that the Yellowstone caldera formed 631,000 years ago. But how did the caldera collapse...

New satellite communication technology is being tested at Yellowstone monitoring stations and could have a big impact on how real-time data are...

The Yellowstone volcanic system has hosted some very large eruptions. But there have been much larger volcanic explosions in geologic history...

Yellowstone gets rattled by plenty of small earthquakes—between 1,500 and 2,500 located events in a typical year—but large damaging earthquakes have...

Locating an earthquake in an absolute sense can come with considerable uncertainty, but locating earthquakes relative to one another is far more...

Geyser Hill, near Old Faithful, has experienced some recent changes, with a general increase in thermal and geyser activity. The changes are...

Monitoring data from Yellowstone are not just useful for assessing the potential for volcanic eruptions there.  We can also use what we learn from...