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http://dx.doi.org/10.5000/EESK.2018.22.3.211

Prediction of Peak Ground Acceleration Generated from the 2017 Pohang Earthquake  

Jee, Hyun Woo (Department of Architecture, Hanyang University)
Han, Sang Whan (Department of Architecture, Hanyang University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.22, no.3, 2018 , pp. 211-217 More about this Journal
Abstract
The Pohang earthquake with a magnitude of 5.4 occurred on November 15, 2018. The epicenter of this earthquake located in south-east region of the Korean peninsula. Since instrumental recording for earthquake ground motions started in Korea, this earthquake caused the largest economic and life losses among past earthquakes. Korea is located in low-to moderate seismic region, so that strong motion records are very limited. Therefore, ground motions recorded during the Pohang earthquake could have valuable geological and seismological information, which are important inputs for seismic design. In this study, ground motions associated by the 2018 Pohang earthquake are generated using the point source model considering domestic geological parameters (magnitude, hypocentral distance, distance-frequency dependent decay parameter, stress drop) and site amplification calculated from ground motion data at each stations. A contour map for peak ground acceleration is constructed for ground motions generated by the Pohang earthquake using the proposed model.
Keywords
Ground motion; Epicenter; Contour map; Simulation; Earthquake; Seismic design;
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