Geophysicist Near Mount Rainier, Wash. (IMAGE) University of Utah Caption Researchers install sensors that measure the Earth's electrical conductivity or resistivity at a site northeast of Washington state's Mount Rainier, the tallest volcano in the Cascade Range at 14,410 feet. Geophysicist Phil Wannamaker, of the University of Utah's Energy & Geoscience Institute, co-authored a study in the July 17 issue of Nature providing the most detailed look yet at the volcanic plumbing system that supplies molten rock to a magma chamber beneath the volcano. Credit Phil Wannamaker, University of Utah Energy & Geoscience Institute. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.