福建及其沿海小震活动月频次分布特征研究

【摘要】 基于1971-2018年福建及其沿海地区M_L≥2.0级地震月频次进行Kolmogorov-Smirnov分布检验法。通过对福建及其沿海地区小震活动月频次进行检验发现符合泊松分布,而不符合正态分布。通过选取窗长18个月和步长1个月,发现福建地区及其沿海在中强地震前,月频次统计学参数分布表现出明显的变化。为福建及其沿海地区地震活动性开展地震预测提供一个新的方法。更多还原

【Abstract】 The Kolmogorov-Smirnov Distribution Test Method is adopted based on the monthly frequency of M_L≥2.0 earthquakes in Fujian and its coastal areas from 1971 to 2018. Through the test of the monthly frequency of small earthquakes in Fujian and its coastal areas, it is found that it accords with the Poisson Distribution, but does not conform to the normal distribution. By selecting the window length of 18 months and the step length of 1 month, it is found that the statistical parameter distribution of monthly frequency changes obviously before moderately strong earthquakes in Fujian and its coastal areas. This provides a new method for earthquake prediction in Fujian and its coastal areas.更多还原