TIP方法在大华北地区预报效能的研究
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摘要
用改进的M8算法研究了1979年以来大华北地区存在的TIP,即强震发生概率增长时间。结果表明8次中强震有7次发生在被判定为概率增长时间内,TIP警戒占研究总时空域的40.7%,R评分为0.468。获得了较好的中强震中期预测内符效果,表明该方法可作为大华北地区中强震中期预测的手段之一。
This paper studies the TIP, that is the probability increase time of the strong earthquakes occerrence, existing in North China area since 1979 by modified M8 algorithm.The result shows that 7 of the8 moderately strong earthquakes occurred in Probability increase time, the TJP warnings.makes up 40.7% of the studied total time-space domain,. the evaluated point of R is.0T468, objaining a relativelygood mid-term prediction effect of moderately strong earthquakes,which indicates that this metbod canbe used as one of mid - term prediction means of moderately strong earthquakes.,in lage North Chinaarea.
引文
1陈颖,等译.中期地震预报.北京:地震出版社,1991.2黄德瑜,等译.中期地震预报TIP算法程序使用指南与练习.北京:地震出版社,1992.3陆远忠,等.地震预报的地震学方法。北京:地震出版社,1986.

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