| 澜沧—耿马地震短期和临震阶段的地震活动特征 |
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| 引用本文： | 郑月君,陆远忠.澜沧—耿马地震短期和临震阶段的地震活动特征[J].地震,1994(5):78-83. |
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| 作者姓名： | 郑月君 陆远忠 |
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| 作者单位： | 国家地震局地壳应力研究所，国家地震局地壳应力研究所 中国北京 100085，中国北京 100085 |
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| 摘 要： | 本文主要分析了澜沧－耿马地震震前短临阶段的地震活动特征，包括ｂ值、震群、临震的小震活动等，文中也简要回顾了大同地震前的地震活动特征。同时探讨了地震系列的算法复杂性在实际震例中应用的可能，表现为在时间分布上强震前大小地震的有序性增加，随机性降低的过程。目的是寻找强震前一定时空范围内，中期向短期阶段过渡及短临阶段普遍存在的地震活动图象的演化信息。
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| 关 键 词： | 短临异常 CN值 地震活动性 地震 |
CHARACTERISTICS OF THE SHORT-TERM AND IMPENDING SEISMICITY BEFORE THE LANCANG-GENGMA EARTHQUAKE |
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| Zheng Yuejun Lu Yuanzhong.CHARACTERISTICS OF THE SHORT-TERM AND IMPENDING SEISMICITY BEFORE THE LANCANG-GENGMA EARTHQUAKE[J].Earthquake,1994(5):78-83. |
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| Authors: | Zheng Yuejun Lu Yuanzhong |
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| Abstract: | In this paper, we have analyzed the characteristics of the short-term and impending seismicity before Lancang-Gengma earthquake, including b value, swarm, and the activity of small earthquakes immediately before the mainshock, etc. The paper is also analyzed the characteristics before the Datong earthquake. Meanwhile, we discussed the possibility of applying the Algorithmic complexity in real earthquakes cases, as manifested by increasing the ordering degree and decreasing the randomness in the temporal distribution of earthquakes with different magnitudes before a strong earthquake. According to this, we found the evolvional information of universal seismicity pattern during the transition from the medium term to short term and impending stage before a strong earthquake. |
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| Keywords: | seismicity pattern short-term and impending anomaly CN value |
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