Do you enjoy studying groundmotionmodels for seismichazard analysis? Then we have a MendenhallPostDoc for you! We’re planning on improving earthquake ground-motions for use in the U.S. National Seismic Hazard Model: Apply by 1/6/22! USGS_YES
This Research Opportunity will be filled depending on the availability of funds. All application materials must be submitted through USAJobs by 11:59 pm, US Eastern Standard Time, on the closing date.The National Seismic Hazard Model is an important product of the U.S. Geological Survey and forms the basis for the seismic provisions of U.S. building codes, as well as other engineering-design requirements, risk assessments, and planning decisions .
A typical technique of choice to update and improve ground motion characterization is to use mixed-effects regression on empirical datasets, using guidelines from historical models to best characterize behavior to incorporate into improved GMMs. This method has the benefit of relying upon physical trends to guide the development of ground motion behavior and thus can perform well when extrapolated to areas with limited data.
Earthquake ground-motion simulations can constrain the ground-shaking from scenario earthquakes and are inherently non-ergodic; however, simulated values are highly dependent on the details of the earthquake rupture model and require various validation approaches. Research topics may also include the development of simulation-based probabilistic seismic hazard models . The Salt Lake City, Utah region is of particular interest for simulation-based seismic hazard modeling.
Petersen, M.D., Moschetti, M.P., Powers, P.M., Mueller, C.S., Haller, K.M., Frankel, A.D., Zeng, Yuehua, Rezaeian, Sanaz, Harmsen, S.C., Boyd, O.S., Field, Ned, Chen, Rui, Rukstales, K.S., Luco, Nico, Wheeler, R.L., Williams, R.A., and Olsen, A.H. , Documentation for the 2014 update of the United States national seismic hazard maps: U.S. Geological Survey Open-File Report 2014–1091, 243 p.
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