基于历史地震烈度的云南地区烈度频度估算

Abstract

Abstract: For earthquake disaster mitigation,we use the records of more complete intensity data (from AD 1500 to 2015) on earthquake-prone area in the Yunnan area, and analyze earthquake intensity-frequency estimation. We digitized intensity observations and divided the cell size of 0.2°×0.2°, and calculated seismic intensity-frequency relationship for each cell. And combined with repeated cycle intensity of one hundred years and population economic data in Yunnan, we analyse future areas of concern. The results can provide reference for earthquake hazardous area zoning. This method is based on the historical earthquake data, reducing as far as possible the assessment of various hypotheses. It concisely reflects different frequency distribution of intensities.

Key words: Intensity-Frequency, Seismic intensity, Yunnan area

CLC Number:

P315.7

FENG Wei. Intensity-frequency Estimation based on Historical Seismic Intensity in the Yunnan Area[J]. EARTHQUAKE, 2016, 36(3): 109-115.

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Intensity-frequency Estimation based on Historical Seismic Intensity in the Yunnan Area

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