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23 May 2019
Aftershocks of 1959 earthquake rocked Yellowstone in 2017-18
Aftershocks from large earthquakes can take their time coming — almost six decades in the case of Yellowstone’s deadly Hebgen Lake earthquake of 1959.
17 April 2018
Scientists decipher the magma bodies under Yellowstone
Using supercomputer modeling, scientists have unveiled a new explanation for the geology underlying recent seismic imaging of magma bodies below Yellowstone National Park.
16 October 2017
Waves in lakes make waves in the Earth
Scientists at the University of Utah report that small seismic signals emanating from lakes can aid science. As a record of wave motion in a lake, they can reveal when a lake freezes over and when it thaws. And as a small, constant source of seismic energy in the surrounding earth, lake microseisms can shine a light on the geology surrounding a lake.
6 October 2017
Old Faithful’s geological heart revealed
Old Faithful is Yellowstone National Park’s most famous landmark. Millions of visitors come to the park every year to see the geyser erupt every 44-125 minutes. But despite Old Faithful’s fame, relatively little was known about the geologic anatomy of the structure and the fluid pathways that fuel the geyser below the surface. Until now.
12 April 2013
Newfound chamber below Old Faithful may drive eruptions
A previously unknown underground cavity might help trigger the timely eruptions of the famous Yellowstone geyser Old Faithful, a new study shows. The researchers who uncovered new evidence of a chamber suspect that it stores the pressurized near-boiling water, steam, and other gases that propel Old Faithful’s eruptions.