Electronic Theses and Dissertations

Identifier

939

Date

2013

Date of Award

7-24-2013

Document Type

Thesis

Degree Name

Master of Science

Major

Earth Sciences

Concentration

Geophysics

Committee Chair

Chris Cramer

Committee Member

Charles Langston

Committee Member

Oliver Boyd

Abstract

This study presents empirical ground motion prediction equations (GMPEs) for eastern North America for a particular measure of horizontal ground motion as a function of earthquake magnitude and fault type, distance from source to site, and local soil condition. The equations are for peak ground acceleration (PGA), peak ground velocity (PGV), and 5 % damped pseudo-absolute-acceleration spectra (PSA) at periods between 0.02 sec and 1 sec. The coefficients of the GMPEs are derived by empirical regression of the new NGA-East ground motion database. The anlysis used a total of 6544 records of PGA with a distance range from less than 10 km up to 3500 km and the available data for regression become less for longer periods. The developed empirical GMPEs, though not well constrained from large magnitude observations, fit the ground motions from small to moderate magnitude (M<6) earthquakes in ENA quite well based on residual analysis.

Comments

Data is provided by the student.

Library Comment

dissertation or thesis originally submitted to the local University of Memphis Electronic Theses & dissertation (ETD) Repository.

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