Scientists planted 133 portable seismometers around Yellowstone’s Old Faithful for two weeks; tiny ground vibrations revealed an underground hot-water reservoir holding about 79 million gallons
Old Faithful Geyser EruptionPhoto: Canva Old Faithful may be the world’s most famous geyser, but until recently, no one had a clear picture of the “plumbing” that powers its eruptions. In a landmark 2017 studytitled ‘Anatomy of Old Faithful From Subsurface Seismic Imaging of the Yellowstone Upper Geyser Basin’, University of Utah scientists deployed 133…