NGA Earthquake Ground Motion Prediction Equations

Documentation for package ‘nga’ version 1.4-1

dip.calc	Estimation of Fault Dip
getPeriod	Spectral Periods for NGA Models
interpolate	Interpolation for Intermediate Spectral Periods
KBflatfile	Example Earthquake Records from Recent California Earthquakes
modelPeriods	Spectral Periods for NGA Models
nga	Ground Motion Predictions for all NGA Models
Rrup.calc	Calculation of Source-to-Site Distance Measures
Rx.calc	Calculation of Source-to-Site Distance Measures
Sa	Ground Motion Predictions for Individual Models
Sa.as	Ground Motion Predictions for Individual Models
Sa.ba	Ground Motion Predictions for Individual Models
Sa.cb	Ground Motion Predictions for Individual Models
Sa.cy	Ground Motion Predictions for Individual Models
Sa.nga	Ground Motion Predictions for all NGA Models
W.calc	Estimation of Down-Dip Rupture Width, W
Z1.calc	Estimation of Depth Parameter, Z1.0
Z1.calc.as	Estimation of Depth Parameter, Z1.0
Z1.calc.cy	Estimation of Depth Parameter, Z1.0
Z2.5.calc	Estimation of Depth Parameter, Z2.5
Zhyp.calc	Estimation of Hypocentral Depth, Zhyp
Ztor.calc	Estimation of Depth to Top of Rupture, Ztor