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Spring 2025

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Earthquake wave propagation through mysterious low-velocity structures at the core-mantle boundary

Barbara A. Romanowicz - Professor, Earth and Planetary Science

Status: Current Term Now Closed     Weekly Hours: 9-11 hrs     Location: On Campus

Seismology has revealed mysterious patches with extreme seismic properties on the boundary from Earth’s liquid outer core to its rocky mantle. There still are many scientific unknowns about these structures which are called ultralow velocity zones. We do not understand what their origin is, what they are made of, or...