Abstract
Using the analytic expression of seismicity parameters, the dependency and correlativity between the statistical parameters and seismic frequency or seismic intensity are discussed. The statistical parameters are divided into two kinds. One kind is the regional seismicity parameter, 17 parameters are analyzed in this paper. The other kind is the seismicity distribution parameter. They are the distribution parameters of time, space and magnitude. The existent base and rationality of distribution parameters depend on the application of distribution model. We analyze and draw an analogy between the natural probability, Poisson, Weibull distributions and multi-fractal analytic formula in time, space and magnitude. And some examples are given in this paper. The P value and H value of aftershock sequence attenuation, the U value and F value of earthquake swarm sequence and the entropy of information are discussed preliminarily. Another method about analyzing relationships among time-series curves are given. The resemblance relativity degree R Y 1 Y 2and the relativity degree G Y 1 Y 2 of relative change slope can be used as the determining values. At last, some preliminary ideas about sifting and using for seismicity parameters are advanced in this paper.
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Cheng, WZ. Mathematical basis, correlativity and selection of seismicity parameters. Acta Seimol. Sin. 12, 183–192 (1999). https://doi.org/10.1007/s11589-999-0023-4
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DOI: https://doi.org/10.1007/s11589-999-0023-4