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Correlation of spectral acceleration values of vertical and horizontal ground motion pairs

Mohsen Kohrangi, Athanasios N. Papadopoulos, Paolo Bazzurro and Dimitrios Vamvatsikos
Correlation of spectral acceleration values of vertical and horizontal ground motion pairs
Earthquake Spectra (November 2020) 36 (4): 2112-2128

Abstract

We present correlation coefficient estimates between a number of ground motion intensity measures (IMs), as measured from the NGA-West2 database, with focus on the correlation of vertical-vertical and vertical-horizontal ground motion components. The IMs considered include spectral accelerations with periods from 0.01 to 10 s, peak ground acceleration, peak ground velocity, and significant duration (for 5%-75% and 5%-95% definitions). To facilitate their use, parametric equations are also fitted to the correlation models. Finally, the dependence of the obtained correlation coefficients to magnitude, distance, and Vs30 is evaluated.


ISSN: 8755-2930
EISSN: 1944-8201
Serial Title: Earthquake Spectra
Serial Volume: 36
Serial Issue: 4
Title: Correlation of spectral acceleration values of vertical and horizontal ground motion pairs
Affiliation: RED Risk Engineering & Development, Pavia, Italy
Pages: 2112-2128
Published: 202011
Text Language: English
Publisher: Earthquake Engineering Research Institute, Berkeley, CA, United States
References: 42
Accession Number: 2021-010095
Categories: Seismology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table
Secondary Affiliation: University School for Advanced Studies IUSS Pavia, ITA, ItalyNational Technical University of Athens, GRC, Greece
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2021, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 202107
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