| 用单键群方法研究中国地震时空分布的统计特征 |
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| 引用本文： | 马延路, 周蕙兰. 用单键群方法研究中国地震时空分布的统计特征[J]. 地球物理学报, 2000, 43(02): 175-183, |
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| 作者姓名： | 马延路 周蕙兰 |
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| 作者单位： | 中国科学技术大学研究生院,北京100039 |
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| 摘 要： | 为研究中国地震分布的时空特征，采用时空联合的单键群（ＳＬＣ）方法，计算了１９７０－１９９８年３月间该区域发生的４级和４级以上地震的时空ＳＬＣ构架．对时空ＳＬＣ构架所做的统计分析表明：①截止键长Ｄ在 ５０－８０ｋｍ范围内时，地震集团的个数 Ｔ（ｎ）与集团的大小 ｎ（所含地震个数）之间是自相似分布．在６５ ｋｍ附近，ｌｇＴ（ｎ）与 ｌｇｎ之间的线性相关性最好；②构架的累计键长符合Ｗｅｉｂｕｌｌ分布；③在删除前震和余震之后，构架的累计键数也服从Ｗｅｉｂｕｌｌ分布．
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| 关 键 词： | 单键群 最小生成树 SLC构架 截止键长 Weibull函数 |
| 收稿时间： | 1999-02-01 |
| 修稿时间： | 1999-08-06 |
TEMPORAL AND SPATIAL STATISTICAL CHARACTERISTICS OF EARTHQUAKES IN CHINA BY SINGLE-LINK CLUSTER METHOD |
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| MA YAN-LU, ZHOU HUI-LAN. TEMPORAL AND SPATIAL STATISTICAL CHARACTERISTICS OF EARTHQUAKES IN CHINA BY SINGLE-LINK CLUSTER METHOD[J]. Chinese Journal of Geophysics (in Chinese), 2000, 43(02): 175-183, |
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| Authors: | MA YAN-LU ZHOU HUI-LAN |
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| Affiliation: | Graduate School, University of Science and Technology of China, Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | According to the principle of minimal spanning tree, a procedure of Single-Link Ouster （SLC） method is provided and applied to a vast amount of earthquakes occurred in China from 1970 to March 1998. In the bine-space SLC frame, the number of clusters T（n） decreases as increasing of the number of events n in each cluster. It Shows power-law decay. The relative accumulative length of links in the frame has a Weibull distribution. After the pre-shocks and after shocks are removed from the catalogue, the relative cumulative frequency of links obeys the same law too. |
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| Keywords: | Single-Link Cluster Minimal spanning tree SLC frame Cut-off length Weibull function |
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