This paper contains ground-motion prediction equations (GMPEs) for average horizontal-component ground motions as a function of earthquake magnitude, distance from source to site, local average shear-wave velocity, and fault type. Our equations are for peak ground acceleration (PGA), peak ground velocity (PGV), and 5%-damped pseudo-absolute-acceleration spectra (PSA) at periods between 0.01 s and 10 s. They were derived by empirical regression of an extensive strong-motion database compiled by the “PEER NGA” (Pacific Earthquake Engineering Research Center's Next Generation Attenuation) project. For periods less than 1 s, the analysis used 1,574 records from 58 mainshocks in the distance range from 0 km to 400 km (the number of available data decreased as period increased). The primary predictor variables are moment magnitude (M), closest horizontal distance to the surface projection of the fault plane (RJB), and the time-averaged shear-wave velocity from the surface to 30 m (VS30). The equations are applicable for M=5–8, RJB<200 km, and VS30=180–1300 m/s.
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Research Article|
February 01, 2008
Ground-Motion Prediction Equations for the Average Horizontal Component of PGA, PGV, and 5%-Damped PSA at Spectral Periods between 0.01 s and 10.0 s
David M. Boore, M.EERI;
David M. Boore, M.EERI
a)
U.S. Geological Survey, MS 977, 345 Middlefield Rd., Menlo Park, CA 94025
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Gail M. Atkinson, M.EERI
Gail M. Atkinson, M.EERI
b)
Department of Earth Sciences, University of Western Ontario, London, Ont. Canada N6A 5B7
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Earthquake Spectra (2008) 24 (1): 99–138.
Article history
received:
21 Jun 2007
accepted:
15 Nov 2007
first online:
01 Jun 2020
Citation
David M. Boore, Gail M. Atkinson; Ground-Motion Prediction Equations for the Average Horizontal Component of PGA, PGV, and 5%-Damped PSA at Spectral Periods between 0.01 s and 10.0 s. Earthquake Spectra 2008;; 24 (1): 99–138. doi: https://doi.org/10.1193/1.2830434
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Index Terms/Descriptors
- acceleration
- Asia
- attenuation
- basins
- bedrock
- body waves
- California
- Chi-chi earthquake 1999
- data bases
- data processing
- depth
- earthquake prediction
- earthquakes
- elastic waves
- elasticity
- Far East
- fault planes
- faults
- ground motion
- horizontal movements
- long-period waves
- magnitude
- models
- normal faults
- numerical models
- Parkfield earthquake 2004
- peak ground acceleration
- regression analysis
- reverse faults
- rupture
- S-waves
- sediments
- seismic intensity
- seismic waves
- short-period waves
- soils
- statistical analysis
- strike-slip faults
- strong motion
- Taiwan
- uncertainty
- United States
- velocity
- wave amplification
- peak ground velocity
- Anza earthquake 2001
- Yorba Linda earthquake 2002
- NGA Project
- Big Bear City earthquake 2003
Latitude & Longitude
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