Bayesian Inversion Powered Digital Twin for
Tsunami Early Warning on the
Cascadia Subduction Zone

Sreeram Venkat, Stefan Henneking, Milinda Fernando, Omar Ghattas — UTA
John Camier, Veselin Dobrev, Tzanio Kolev — LLNL
Alice-Agnes Gabriel — UCSD

Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin
Center for Applied Scientific Computing, Lawrence Livermore National Laboratory
Scripps Institution of Oceanography, University of California San Diego

NUG Annual Meeting — October 8, 2025