The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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Articles | Volume XLII-4/W1
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-4/W1, 55–59, 2016
https://doi.org/10.5194/isprs-archives-XLII-4-W1-55-2016
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-4/W1, 55–59, 2016
https://doi.org/10.5194/isprs-archives-XLII-4-W1-55-2016

  29 Sep 2016

29 Sep 2016

PRELIMINARY ESTIMATION OF POSTSEISMIC DEFORMATION PARAMETERS FROM CONTINUOUS GPS DATA IN KOREA PENINSULA AND IEODO AFTER THE 2011 TOHOKU-OKI MW9.0 EARTHQUAKE

W. A. W. Aris1, T. A. Musa1, H. Lee2, Y. Choi2, and H. Yoon2 W. A. W. Aris et al.
  • 1UTM-Geomatics Innovation Research Group. Univerisiti Teknologi Malaysia, Malaysia
  • 2School of Civil, Environmental and Chemical Engineering, Changwon National University, Korea Department of Geoinformatics, University of Seoul, Korea

Keywords: Korea Peninsular, Tohoku-Oki earthquake, postseismic deformation

Abstract. This paper describes utilization of GPS data in Korea Peninsula and IEODO ocean research station for investigation of postseismic deformation characteristic after the 2011 Tohoku-oki Mw9.0 Earthquake. Analytical logarithmic and exponential functions were used to evaluate the postseismic deformation parameters. The results found that the data in Korea Peninsula and IEODO during periods of mid-2011 – mid-2014 are fit better using logarithmic function with deformation decay at 134.5 ±0.1 days than using the exponential function. The result also clearly indicates that further investigation into postseismic deformation over longer data span should be taken into account to explain tectonic deformation over the region.