| 永登5.8级地震前几项测震学指标的异常分析 |
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| 引用本文： | 何秀琴,牛旺祥,王珍.永登5.8级地震前几项测震学指标的异常分析[J].西北地震学报,1996,18(3):79-83. |
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| 作者姓名： | 何秀琴 牛旺祥 王珍 |
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| 作者单位： | 国家地震局兰州地震研究所(何秀琴)，兰州市地震局(牛旺祥)，定西地区地震局(王珍) |
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| 摘 要： | 对１９９５年７月２２日永登ＭＳ５．８地震前几项测震学指标的变化进行了分析，发现该次地震前有４项测震学指标有明显异常，它们是小震活动增强、背景性空区、小震活动条带及前兆震群
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| 关 键 词： | 甘肃 异常分析 地震空区 地震条带 小震活动异常 前兆震群 |
| 收稿时间： | 1995/10/16 0:00:00 |
ANOMALY ANALYSIS OF SOME SEISMOMETRY INDICES BEFORE THE YONGDENG MS 5.8 EARTHQUAKE |
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| He Xiuqin,Niu W ang xiang and Wang Zhen.ANOMALY ANALYSIS OF SOME SEISMOMETRY INDICES BEFORE THE YONGDENG MS 5.8 EARTHQUAKE[J].Northwestern Seismological Journal,1996,18(3):79-83. |
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| Authors: | He Xiuqin Niu W ang xiang and Wang Zhen |
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| Affiliation: | Earthquake Research Institute of Lanzhou, SSB, Lanzhou 730000,Seismological Bureau of Lanzhou City, Lanzhou 730030 and Seismological Bureau of Dingxi Prefecture, Gansu Province, Dingxi 743000 |
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| Abstract: | Analyses the variations of some seismometry indices before the Yongdeng M S 5.8 earthquake on July 22,1995.Finds out obvious anomalies of four indices appeared before the earthquake,which are strengthening of small earthquake activity,background seismic gap,activity belt of small earthquake and precursory seismic swarm. |
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| Keywords: | Gansu Anomaly analysis Seismic gap Seismic belt Microseismic activity anomaly Precursory seismic swarm |
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