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Short Note: Magnitude-intensity Relation for Earthquakes in the Sino-Korean Craton

By Kiehwa Lee and Jun Hee Lee


The Korean peninsula lies in the Eurasian Plate. Its seismicity shows an irregular strain release typical of intraplate seismic-ity. Historical earthquake r cords of Korea from the first to the 19th centuries greatly outnumber instrumental ones dur-ing the 20th century. Analyses of these historical data are of paramount importance for seismicity and seismic hazard studies of the peninsula. In order to quantify sizes of histori-cal Korean earthquakes better, a linear regression relationship between Richter magnitude, ME, and epicentral Modified Mercalli intensity, I 0, of the earthquakes in the Sino-Korean craton was obtained in this study. The northeastern part of China is connected with the Korean peninsula geologically, and the patterns of strain release in these two regions are sim-ilar. Sixty-four earthquakes with surface-wave magnitud

Year: 2016
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