PNW RIG -Exploring Hidden Heat: 3D Imaging of Geothermal and Volcanic Systems in the Pacific Northwest and Yellowstone

This presentation will draw on research Dr. Schultz and his colleagues recently published in the peer-reviewed journal Nature in January 2025. This research uses state-of-the-art geophysical methods to improve our understanding of geothermal and volcanic activity.  

Dr. Schultz will highlight three groundbreaking surveys:  

1. Southern Washington Cascades – A high-resolution MT study helped explain why major volcanoes like Mount Rainier, Mount Adams, and Mount St. Helens sit where they do, even when some are unexpectedly off the main volcanic arc.  

2. Newberry Volcano, Oregon – A key site for geothermal research, Newberry’s subsurface was mapped using MT, gravity, and seismic data. The study identified the composition of the underground magma body and uncovered a potential geothermal resource on the volcano’s southern flank.  

3. Yellowstone Caldera – A new MT survey combined with advanced modeling has refined estimates of how much molten rock lies beneath Yellowstone, improving our understanding of the famous supervolcano’s activity.

By sharpening our view of the Earth’s interior, these studies challenge previous assessments used to predict geothermal potential—and help refine future exploration strategies for clean energy development."

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