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For earthquake disaster mitigation,we use historical records and more complete intensity investigation data from 1500 to 2015 to analyze and estimate the seismic intensity and frequency of the earthquake-prone areas in Yunnan. We digitized intensity observations and divided the Yunnan region into cell size of 0. 2°× 0. 2° to calculate the seismic intensity-frequency relationship for each cell. Combined with a repeated cycle of intensity of one hundred years and population economics data in Yunnan,we analyze future areas of concern. The results can provide a reference for earthquake hazardous area zoning.This method is based on historical earthquake data,reducing as much as possible the various hypotheses for the assessment,and thus can concisely reflect the different intensityfrequency distributions of the region. 相似文献
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