(Photo courtesy of the U.S. Geological Survey) In the summer of 1959, the west Yellowstone region experienced one of the largest Rocky Mountain earthquakes in instrumented history. The M7.3 Hebgen ...

One of these faults triggered the most destructive earthquake ever recorded in the Rocky Mountains — the deadly magnitude-7.3 Hebgen Lake quake in 1959. The epicenter was about 15 miles (24 kilometers ...

Overlaying a map of accurately located earthquake epicenters on the deformation reveals that the vast majority of earthquakes located west of Yellowstone Park since 1990, when the Yellowstone and ...

Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding the changes in hydrothermal activity following the August 1959 M7.3 Hebgen ...