Development of Procedures for the Rapid Estimation of Ground Shaking

Objective

Task List

Scope of the Problem

TriNet ShakeMaps for Landers and Northridge

Data Driven PGA Shakemap in Deteriorating Coverage

Inverse Methodology

Northridge Fault Slip Models

Slide 9

Slide 10

Predicted PGV (0.1-1.0 Hz)

Efforts to Improve Shakemaps

PGV Predicted to Observed Amplitude Ratios Relative to Site Class

Predicted to Observed PGV Ratios

Empirical Attenuation Model Shakemap

Implementation Plan

Implementation Plan

Combined Data/model Shakemaps (Northridge PGA)

Slide 19

Conclusions

Conclusions

Recommendations