Interrelation among strong earthquakes and its application in seismic hazard analysis |
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| Authors: | Wei-Qiong Huang Yan Jin and Xue-Feng Cao |
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| Institution: | (1) Institute of Geophysics, State Seismological Bureau, 100081 Beijing, China |
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| Abstract: | The intterrelation among strong earthquakes and its application are emphatically studied in this paper. Taking North China
seismic region as study area, we have investigated how a great earthquake influence other strong earthqukaes in neighbouring
area? Does there exist earthqukae immunity phenomenon? If it exists, what distributional pattern did it has in space-time
domain? The results show that occurrence of earthquakes withM⩾7 has cetain immunity phenomenon to earthquakes withM⩾6 in North China. Among others, the immunity area of earthquakes withM=8 is much larger than that ofM=7. For earthquakes withM⩾8, the immunity area to the earthquakes ofM=7 is larger than toM=6.
Based on the above analysis, using some statistical methods, we gave the variational regularity of seismic immunity factor
with space and time, and explored its concrete application in seismic hazard analysis.
The Chinese version of this paper appeared in the Chinese edition ofActa Seismologica Sinica,15, 339–346, 1993. |
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| Keywords: | interrelation immunity seismic hazard analysis proliferation |
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