Monte Carlo simulation of peak-acceleration attenuation using a finite-fault uniform-patch model including isochrone and extremal characteristics
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Abstract
A finite-fault statistical model of the earthquake source is used to confirm observed magnitude and distance saturation scaling in a large peak-acceleration data set. This model allows us to determine the form of peak-acceleration attenuation curves without a priori assumptions about their shape or scaling properties. The source is composed of patches having uniform size and statistical properties. The primary source parameters are the patch peak-acceleration distribution mean, the distribution standard deviation, the patch size, and patch-rupture duration. Although our model assumes no scaling of peak acceleration with magnitude at the patch, the peak-acceleration attenuation curves, nevertheless, strongly scale with magnitude (dap/dM) ≠ 0, and the scaling is distance dependent (dap/dM) ∝ f(r).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Monte Carlo simulation of peak-acceleration attenuation using a finite-fault uniform-patch model including isochrone and extremal characteristics |
| Series title | Bulletin of the Seismological Society of America |
| DOI | 10.1785/BSSA08601A0079 |
| Volume | 86 |
| Issue | 1 SUPPL. A |
| Year Published | 1996 |
| Language | English |
| Publisher | Seismological Society of America |
| Description | 14 p. |
| First page | 79 |
| Last page | 92 |
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