Defining a consistent strategy to model ground-motion parameters for the GEM-PEER Global GMPEs project

Sinan Akkar (1) , John Douglas (2) , Carola Di Alessandro (3) , Kenneth W. Campbell (4) , Paul Somerville (5) , Fabrice Cotton (6) , Walt J. Silva (7) , Jack Baker (8)

1 METU - Middle East Technical University [Ankara]
2 BRGM - Bureau de Recherches Géologiques et Minières (BRGM)
3 Pacific Earthquake Engineering Research Center (PEER)
4 EQECAT Inc.
5 URS Corporation
6 ISTerre - Institut des Sciences de la Terre
7 Pacific Engineering and Analysis
8 CEE - Department of Civil and Environmental Engineering [Stanford]

The project entitled Global Ground Motion Prediction Equations is funded by the Global Earthquake Model (GEM) Foundation and has the objective of recommending a harmonized suite of ground motion prediction equations (GMPEs) that can be used at the global and regional scales for seismic hazard analysis and loss estimation studies. As part of this project, Task 1a experts were commissioned to make recommendations on the critical aspects of seismological predictor parameters that are used by predictive model developers to estimate ground motions for different earthquake scenarios. It is hoped that these recommendations would lead to the optimum description of ground-motion models that can be used efficiently for reliable seismic hazard assessment studies.

Mots clés: Ground-motion prediction equations (GMPEs); seismic hazard assessment; predictor parameters of GMPEs

Domaines: Géophysique [physics.geo-ph]; Géophysique [physics.geo-ph]; Milieux et Changements globaux

Sinan Akkar, John Douglas, Carola Di Alessandro, Kenneth W. Campbell, Paul Somerville, et al.. Defining a consistent strategy to model ground-motion parameters for the GEM-PEER Global GMPEs project. Fifteenth World Conference on Earthquake Engineering, Sep 2012, Lisbonne, Portugal. in press, 10 p. ⟨hal-00700132⟩