This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) totaling $225,816 will support collaborative research to investigate the evolution of elastic wave properties during the seismic cycle. The primary objectives are to explore whether variations in seismic wave properties can be identified before and/or after earthquakes, determine the underlying physical mechanisms, and assess the potential for operational forecasting of ruptures on meter-scale faults. The research aims to bridge the gap between centimeter-scale laboratory observations and real-world earthquake behavior by conducting rupture experiments on a larger, more realistic scale. This will involve adapting seismic interrogation techniques to meter-scale deformation experiments on dry and fluid-pressurized faults. The results are expected to contribute to improved earthquake forecasting and reduced seismic hazard. The award period runs from Jul 1, 2024 to Jun 30, 2027, and the research will be performed by Cornell University.
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