Vol. 60 No. 1 (2021): Geofísica Internacional
Articles

Empirical Relationship for Assessing the Near-Field Horizontal Coseismic Displacement Using GPS Seismology Data

Ryad Darawcheh
Syrian Virtual University, Damascus, P.O. Box 35329, Syria Department of Geology, Atomic Energy Commission of Syria, Damascus, Syria
Bio
Riad Al Ghazzi
Syrian Private University, Damascus, Syria
Bio
Mohamad Khir Abdul-wahed
Department of Geology, Atomic Energy Commission of Syria, Damascus, Syria
Bio

Published 2021-01-01

Keywords

  • GPS coseismic displacement,
  • GPS seismology,
  • multi regression analysis,
  • Dead Sea fault system

How to Cite

Darawcheh, R., Al Ghazzi, R., & Abdul-wahed, M. K. (2021). Empirical Relationship for Assessing the Near-Field Horizontal Coseismic Displacement Using GPS Seismology Data. Geofísica Internacional, 60(1), 31-50. https://doi.org/10.22201/igeof.00167169p.2021.60.1.2025

Abstract

In this research, a data set of horizontal GPS coseismic displacement in the near-field has been assembled around the world in order to investigate a potential relationship between the displacement and the earthquake parameters. Regression analyses have been applied to the data of 120 interplate earthquakes having the magnitude (Mw 4.8-9.2). An empirical relationship for prediction near-field horizontal GPS coseismic displacement as a function of moment magnitude and the distance between hypocenter and near field GPS station has been established using the multi regression analysis. The obtained relationship allows assessing the coseismic displacements associated with some large historical earthquakes occurred along the Dead Sea fault system. Such a fair relationship could be useful for assessing the coseismic displacement at any point around the active faults.

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