Jeff McGuire is an associate scientist in the department of Geology and Geophysics. He uses recordings of the seismic waves and permanent ground deformation produced by earthquakes to improve our understanding of the rupture process and fault structure. As a fellow he worked to develop a real-time earthquake early warning system for the Pacific Northwest. The Cascadia subduction zone is expected to generate magnitude 8-9 quakes offshore, but it does not yet have a network of seafloor instruments for detecting the beginnings of such ruptures and relaying the information to land.
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