This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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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.


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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.


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29 November 2010

What can geysers tell us about volcanoes on Earth and on distant moons?

Susan Kieffer’s research focuses on geological fluid dynamics with an emphasis on geysers, rivers, meteorite impacts, and volcanoes. An interview provided a good opportunity to catch up with her on planetary science, her career, and current research.


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