Property Estimator

NameOrnthammarath et al. (2010)
PropertyPeak Ground Acceleration
TypeFunction
Function
if ([Vs30:m/s] > 750) $S = 0; else
if ([Vs30:m/s] > 360) $S = 1; else 
return;
return pow(10,-2.622+0.643*[Mw]-1.249*log10(sqrt(pow([df:km], 2)+pow(3.190, 2)))+0.344*$S);
Unitm/s2
Validity ConditionsMoment Magnitude: 5.1–6.5; Focal Depth: 10–15 km; Faulting Mechanism: Strike-slip; Distance to Projection of Rupture Plane on Surface: < 80 km
Validity Regions
PrecedenceAuto
DisabledNo
References
Notes

See Douglas (2011), page 265.
Validation:
M = 5.0, d = 10 km, Vs30 = 800 m/s : PGA = 0.20783391649922 m/s^2
M = 6.0, d = 10 km, Vs30 = 800 m/s : PGA = 0.91351655400835 m/s^2
M = 5.0, d = 100 km, Vs30 = 800 m/s : PGA = 0.012437243790436 m/s^2

AccessPublic
Created: Serkan GIRGIN, 2012/09/03 11:38:09 – Updated: Kyriaki GKOKTSI, 2022/11/18 10:06:51

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