2021
DOI: 10.1177/87552930211027585
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Ground-motion model for subduction earthquakes in northern South America

Abstract: Subduction ground motions in northern South America are about a factor of 2 smaller than the ground motions for similar events in other regions. Nevertheless, historical and recent large-interface and intermediate-depth slab earthquakes of moment magnitudes Mw = 7.8 (Ecuador, 2016) and 7.2 (Colombia, 2012) evidenced the vast potential damage that vulnerable populations close to earthquake epicenters could experience. This article proposes a new empirical ground-motion prediction model for subduction events in … Show more

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Cited by 12 publications
(27 citation statements)
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References 58 publications
(83 reference statements)
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“…The statistical module statsmodule (Seabold and Perktold, 2010) from Python was used to perform the regressions. The details of the implementation of the algorithm for the estimation of the period-dependent coefficients are given by Arteta et al (2021). The regression analysis for the site term and the rest of the coefficients of the GMM was performed based on records contained in the previously described database (section ''Database description'').…”
Section: Site Coefficient Resultsmentioning
confidence: 99%
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“…The statistical module statsmodule (Seabold and Perktold, 2010) from Python was used to perform the regressions. The details of the implementation of the algorithm for the estimation of the period-dependent coefficients are given by Arteta et al (2021). The regression analysis for the site term and the rest of the coefficients of the GMM was performed based on records contained in the previously described database (section ''Database description'').…”
Section: Site Coefficient Resultsmentioning
confidence: 99%
“…The site amplification model proposed in this study was used in the development of a GMM for Colombia by Arteta et al (2021). The functional form of the GMM accounts for source, path, and site effects and is given by:…”
Section: Semiempirical Site Amplification Modelmentioning
confidence: 99%
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“…I know use the following equation of ground motion from Carlos Arteta et al in [8], where SA ij is the spectral acceleration at a given period; f (M i , r ij , θ) is the attenuation equation as a function of magnitude M , distance r and the model parameter vector Θ; ϵ ij is the error term for log j of event i and η i is the random effect for event i.…”
Section: Equation To Predict Ground Motionmentioning
confidence: 99%