Construction of Fixed-point Deformation Prediction Index in South ChinaChinese Full Text
GUAN Yumei;WANG Ziyan;YANG Jinling;QIN Shuanglong;Fujian Earthquake Agency;
Abstract: Based on earthquake cases in China and other related data, the fixed-point deformation prediction index system of South China is constructed, the deformation interference database and deformation abnormality database are classified and sorted,and some deformation indexes with better prediction efficiency are listed. The results show that it is a heavy work to distinguish interference and abnormal anomalies in South China,and the number of precursory anomalies that actually occur after eliminating interference is small. There are a small number of measurement items in each province,which have a good seismic reflection effect for ML4.5 earthquakes within the range of 200-300 km around the station. The series of construction work carried out by the South China Earthquake Prediction Index System will lay the foundation for more effective and scientific use of precursory observation data in the future.
Keywords:
South China; Fixed-point deformation; Earthquake prediction index; Effectiveness evaluation;
- DOI:
10.13512/j.hndz.2022.04.05
- Series:
(A) Mathematics/ Physics/ Mechanics/ Astronomy
- Subject:
Geology; Geophysics
- Classification Code:
P315.7
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