CSDMS 2016 annual meeting poster DonsubRim: Difference between revisions

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Latest revision as of 04:14, 16 June 2016

Presentation provided during SEN - CSDMS annual meeting 2016

Statistical Source Inversion of Tsunamis based on DART Buoy Data

Donsub Rim, University of Washington Seattle Washington, United States. drim@uw.edu

CSDMS2016 poster DonsubRim.png

Abstract:

Probabilistic Tsunami Hazard Assessment (PTHA) performs statistical analysis of tsunami hazards based on a statistical likelihood of earthquake slip distributions. An important component of PTHA is the estimation of such probability distributions based on actual events. Using open-source software package GeoCLAW, we estimate a posterior distribution of a Tsunami event under the Bayesian inference framework, using DART (Deep-ocean Assessment and Reporting of Tsunamis) Buoy data from previous events. We use dimension reduction techniques that allow fast and accurate sampling of the GeoCLAW output for given slip parameters.


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