Campbell-Bozorgnia Two candidate models are currently being considered to capture the change in magnitude scaling of ground motion at large magnitudes.

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Presentation transcript:

Campbell-Bozorgnia Two candidate models are currently being considered to capture the change in magnitude scaling of ground motion at large magnitudes Magnitude-scaling model –Assumes Mw alone can explain large-magnitude scaling of ground motion Aspect ratio-scaling model: –Assumes Mw and aspect ratio (AR) are needed to explain large-magnitude scaling of ground motion

Magnitude-Scaling Model

Aspect Ratio-Scaling Model

Basin Effects: Influence of Depth to Vs = 1.5 km/sec