Journal Article10.1785/GSSRL.68.1.128
Equations for Estimating Horizontal Response Spectra and Peak Acceleration from Western North American Earthquakes: A Summary of Recent Work
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TL;DR: In this article, the authors provide tables for estimating random horizontal component peak acceleration and 5 percent damped pseudo-acceleration response spectra in terms of the natural, rather than common, logarithm of the ground-motion parameter.
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Abstract: In this paper we summarize our recently-published work on estimating horizontal response spectra and peak acceleration for shallow earthquakes in western North America. Although none of the sets of coefficients given here for the equations are new, for the convenience of the reader and in keeping with the style of this special issue, we provide tables for estimating random horizontal-component peak acceleration and 5 percent damped pseudo-acceleration response spectra in terms of the natural, rather than common, logarithm of the ground-motion parameter. The equations give ground motion in terms of moment magnitude, distance, and site conditions for strike-slip, reverse-slip, or unspecified faulting mechanisms. Site conditions are represented by the shear velocity averaged over the upper 30 m, and recommended values of average shear velocity are given for typical rock and soil sites and for site categories used in the National Earthquake Hazards Reduction Program's recommended seismic code provisions. In addition, we stipulate more restrictive ranges of magnitude and distance for the use of our equations than in our previous publications. Finally, we provide tables of input parameters that include a few corrections to site classifications and earthquake magnitude (the corrections made a small enough difference in the ground-motion predictions that we chose not to change the coefficients of the prediction equations).
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Citations
G‐FAST Earthquake Early Warning Potential for Great Earthquakes in Chile
Brendan W. Crowell,David A. Schmidt,Paul Bodin,John E. Vidale,John E. Vidale,B. Baker,Sergio Barrientos,Jianghui Geng +7 more
TL;DR: In this article, the authors developed the Geodetic First Approximation of Size and Timing (G-FAST) GNSS-based earthquake early warning module for eventual inclusion in the United States west coast-wide ShakeAlert system.
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Simulation of digital earthquake accelerograms using the inverse discrete Fourier transform
TL;DR: In this paper, the Fourier amplitude spectrum is modelled as a scaled, lognormal probability density function, which is defined by modeling the probability distribution of Fourier phase differences conditional on the amplitude.
49
Rock fall hazard along the railway corridor to Jerusalem, Israel, in the Soreq and Refaim valleys
TL;DR: In this paper, the authors evaluate rock fall hazard along the railway corridor to Jerusalem, Israel, in the Soreq and Refaim valleys using a combination of historical information on past rock fall events, field surveys aided by the interpretation of aerial photographs, and numerical rock fall modeling.
48
On the Application of Bayesian Probabilistic Networks for Earthquake Risk Management
Yahya Y. Bayraktarli,J. P. Ulfkjær,Ufuk Yazgan,Michael Havbro Faber +3 more
- 01 Jan 2005
TL;DR: In this article, the application of Bayesian Probabilistic Networks (BPNs) in risk management for portfolios of structures subject to earthquake hazards is considered, where risks are assessed in a generic framework using indicators to relate the generic representation to the specific condition prevailing a given site, soil conditions, structure class, occupancy etc.
The Dependence of PGA and PGV on Distance and Magnitude Inferred from Northern California ShakeMap Data
TL;DR: In this paper, the authors used an attenuation function that combines a fixed power law with a fitted exponential dependence on distance, which is estimated as exp(-0.0063 r ) and exp(- 0.0073 r ) for peak ground velocity (PGV) and peak ground acceleration (PGA) for moderate earthquakes.
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