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http://dx.doi.org/10.7582/GGE.2013.16.4.293

Multiple Lapse Time Window Analysis of the Korean Peninsula Considering Focal Depth  

Chung, Tae Woong (Department of Energy & Mineral Resources Engineering, Sejong University)
Rachman, Asep Nur (Department of Energy & Mineral Resources Engineering, Sejong University)
Publication Information
Geophysics and Geophysical Exploration / v.16, no.4, 2013 , pp. 293-299 More about this Journal
Abstract
The recent Multiple Lapse Time Window (MLTW) analysis of Korean Peninsula event showed that the focal depth was far greater influence factor than the velocity structure of the model, applying the analysis of the direct simulation Monte Carlo (DSMC) method. Thus, using the events with focal depth of about 10 km, this study considered 330 paths connecting 41 events and 71 stations, and re-examined uniform and depth-dependent velocity models previously studied. As a result, the residual of misfit function greatly decrease from analytic model to DSMC model, reflecting variation of the focal depth from 0 to 10 km. On the other hand, the difference of residuals for each velocity model were relatively small.
Keywords
MLTW; focal depth; DSMC method; residual;
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Times Cited By KSCI : 1  (Citation Analysis)
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