Based on the practical research to tackle key problems, which were organized by the SSB, and according to the prediction experiences that are accumulated over a long-period, the short-temporary anomalies are discussed this paper. There are six indices used:the shock event lack curve, the wave velocity ratio variation, the b value time sweeping, the accumulated no-seismic unit numbers, the parameters of coda and the time fractal dimension of seismic frequency hierarchy. The simple conclusions are: (1) The anomalies for the most indices appear about 3 months before main shock. (2) It is not interrelated between the size of anomaly and the magnitude of the coming strong earthquake. (3) For the most indices the Xu's mark is about 0.5-0.6 in the prediction check.
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顾瑾平,杨彩霞,黄耘,李强.几种测震学指标的短临前兆异常的初步探讨[J].地震工程学报,1992,14(3):21-26. Gu Jinping, Yang Caixia, Huang Yun, Li Qiang. THE PRIMARY RESEARCH FOR SHORT-TEMPORARY ANOMALIES USING SEISMOLOGICAL METHODS[J]. China Earthquake Engineering Journal,1992,14(3):21-26.