University of California, Davis

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Presentation transcript:

University of California, Davis Progress Report NGA by I. M. Idriss University of California, Davis April 12, 2005 Richmond, CA

PROCESS in basements, dam abutments …etc. Eliminated all non free-field records such as records in basements, dam abutments …etc. Excluded data from Chi-Chi & its aftershocks Used Geomatrix Categories – A, B, C & D Used average horizontal component Distance ≤ 200 km Style of faulting to be included

PROCESS Tried several models with varying degrees of complexities

Geomatrix Categories A & B CURRENT FORM Geomatrix Categories A & B

Number of Data Points used in analyses

Preliminary Results pga Strike Slip Faults Mechanism 0 in Flatfile

Thank You