Project Grant 2531038

Award Date 1/1/26
Completion Date 12/31/28
Dollars Obligated $386K
Federal Grant Program
47.050
Assistance Type
Project Grant
Place of Performance
La Jolla, CA 92093, USA
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This Project Grant award of $386,220 from the National Science Foundation's Geosciences Program (CFDA 47.050) will support the development of machine learning techniques to generate realistic, synthetic earthquake ground motion data. The key products of this project include:

  • Physics-based machine learning models, named Operator Inference (OPINF), that can create time-dependent parametric surrogate models of seismic ground motions by fusing simulated wavefields with observed earthquake records. These OPINF models will be dramatically faster than traditional physics-based methods and more generalizable.
  • Open-source software tools developed from the OPINF models that will be publicly available for other researchers to use.
  • Educational resources and training programs to educate future scientists in earthquake science and advanced model order reduction techniques.
  • Collaboration with the U.S. Geological Survey and California Earthquake Center to assess how the research could enhance existing hazard assessment and early warning capabilities.

The award will fund this 3-year project from January 1, 2026 to December 31, 2028 at the University of California, San Diego. No sub-awards are planned under this grant.

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