Modeling spatial cross-correlation of multiple ground motion intensity measures (SAs, PGA, PGV, Ia, CAV, and significant durations) based on principal component and geostatistical analyses

Ground motion intensity measures (IMs) were observed to be spatially correlated during past earthquakes. In this article, a new spatial cross-correlation model for a vector-IM, which consists of spectral acceleration (SA) ordinates at 17 periods and six non-SA IMs (e.g. peak ground velocity, Arias i...

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Veröffentlicht in:	Earthquake spectra 2021-02, Vol.37 (1), p.486-504
Hauptverfasser:	Du Wenqi, Du Wenqi, Ning Chaolie, Ning Chaolie
Format:	Artikel
Sprache:	eng
Schlagworte:	acceleration correlation covariance analysis crosscorrelation earthquakes geostatistics ground motion NGA-West2 peak ground acceleration peak ground velocity principal components analysis risk assessment seismic intensity seismic risk Seismology semivariograms spatial variations statistical analysis variance analysis velocity
Online-Zugang:	Volltext
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