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大同地震
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  datong earthquake
     THE PRECURSORY CHARACTERISTICS AND SEISMOGENIC PROCESS OF THE DATONG EARTHQUAKE IN 1989
     1989年大同地震的前兆特征及孕震过程
短句来源
     The Fine Location and Source Mechanism of Partial Aftershocks of Nov.1999 Datong Earthquake
     1999年11月大同地震部分余震的定位及震源机制反演
短句来源
     EVOLUTIONAL CHARACTERISTICS OF TEMPORAL AND SPATIAL MICRODYNAMIC OF ANNUAL RATE RATIO OF CROSS FAULT DEFORMATION PRIOR TO DATONG EARTHQUAKE
     大同地震前跨断层形变年速率比时空微动态演化特征
短句来源
     The study of observation data of geothermal tests for six years show that the information of geothermal anomalies at observatory Baijiatuan is very large. The geothermal anomalies are well related to the earthquakes with M_L≥4.0 occurred within 200km. Theer was obvious geothermal amonaly of intermediate and short period and just forthcoming for Datong earthquake on Oct 18th, 1989.
     分析研究6年的地热试验观测资料的结果表明,自家疃井地热异常信息丰富,地热异常与200km范围内,M_L≥4.0地震,有较好的对应关系,1989年10月18日大同地震前地热动态有明显的中期、短期、临震异常显示。
短句来源
     The research-results show: 1. The Datong earthquake occurred in the low Q-value region, the Q-value increased before the main shock and returned to the normal level after the main shock;
     研究结果表明:(1)大同地震发生在低Q值区,震前Q值升高,震后恢复正常。
短句来源
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  datong earthquakes
     Active faults of the Datong Earthquakes of October 1989 and March 1991
     1989年10月和1991年3月大同地震的活动断裂
短句来源
     From the near-field records of aftershocks of October 1989 and March 1991 Datong earthquakes, an extra phase between P and S arrivals is found.
     在1989年10月和1991年3月大同地震余震的近场记录中,发现P波与S波到时之间还存在一个附加震相.
短句来源
     Both after the October,1989 M S=5 8 and the March,1991 M S=5 5 Datong Earthquakes,The Institute of Geophysics,CSB deployed a mobile network consisted by digital seismograph in the epicenter area for aftershock observation. The multiply trace processing program is used for correct phase picking up.
     中国地震局地球物理研究所在 1 989年 1 0月 5.8级和 1 991年 3月 5.5级大同地震之后使用由数字地震仪组成的小孔径流动台网对其余震进行了流动观测。
短句来源
     By using the single link cluster method, precursor clustering features in time space of the Tangshan and Datong earthquakes are studied.
     利用单键群分析方法 ,对 1 976年唐山和 1 989年大同地震前多学科前兆异常的时空群集特征进行了研究 .
短句来源
     This paper mainly discusses the temporal-spatial evolution characteristics of deformation anomaly before the Datong earthquakes in 1989, 1991 and the Zhangbei earthquake in 1998. The results show that, if the start time of anomaly is taken as a judgment criterion, the frequency of deformation anomaly is usually higher than or near twice mean square deviation during 1-2 years before strong earthquakes.
     主要对华北北部地区的1989年大同地震、1991年大同地震及1998年张北地震3次强震前的形变异常时空演化特征进行了研究。
短句来源
  “大同地震”译为未确定词的双语例句
     Based on the local earthquake data recorded by the Datong telemetric seismic network from 1989 to 1994,the 3 dimensional P wave velocity structure of the focal region and its nearby region of the Datong Yanggao M 6 1 earthquake(φ N39 5°~φ N40 4°,λ E112 5°~λ E114 4°)was inversed by thd algebraic reconstruction method,and the significance for revealing the seismogenic condition of the focal region was suggested.
     根据大同地震遥测台网1989年—1994年记录的地震资料,采用代数重建法联合反演了大同—阳高6.1级地震震源区及其周围地区(φN39.5°~φN40.4°,λE112.5°~λE114.4°)地壳的三维P波速度结构,指出了这对揭示震源孕震环境及条件的意义
短句来源
     Relocation of the M_s≥4.0 earthquakes Datong earthquakessequence in the l989
     大同地震序列M_s≥4.0地震参数的重新测定
短句来源
     The vertical crustal movement data (in 1984, 1987 and 1991)before and after Datongearthquake (Ms = 6. 1) are processed and analysed with smoothing filtering and fitting methods.
     利用平滑滤波拟合法,对大同地震(Ms=6.1)前后的3期(1984、1987、1991)地壳垂直形变资料进行了处理和分析。
短句来源
     The basic principle and development of ETAS (Epidemic Type Aftershock Sequence) model are introduced in this paper, and the authors use this model to analyze both Chi-Chi shock sequence in Taiwan (main shock with M_S7.6) beginning from 1999 and the Datong shock sequences beginning from 1989 main shock with M_S5.7).
     介绍了传染型余震序列(ETAS)模型的基本原理和发展概况,并利用该模型分析了1999年开始的台湾集集地震序列(主震MS7.6)和1989年开始的大同地震序列(主震为MS5.7)。
短句来源
     The characteristics of anomalies for all the data of earth resistivity during the three earthquake groups occurred in North China (Tangshan group occurred in 1976, Datong group occurred in 1989, Zhangbei group occurred in 1998) are analyzed.
     分析了自有地电阻率观测资料以来华北地区发生的三次成组地震前后的异常特征,其中包括1976年唐山地震组、1989年大同地震组和1998年张北地震组。
短句来源
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  datong earthquake
Mechanical features of Shanxi Datong earthquake swarm sequence and their numerical simulation by using finite element method
      
In addition, some recorded data of geothermal precursors before these three climaxes of the Datong earthquake swarm sequence are discussed mainly in this paper.
      
The datong earthquake and its anomalous tilt field
      
The complete records of geoelectric resistivity before two earthquakes were analyzed, including 16 stations within 240 km around the Tangshan earthquake and 2 stations within 50-60 km from theM6.1 Datong earthquake.
      
Further comparison study results of March 11, 1999 Zhangbei earthquake and November 1, 1999 Datong earthquake show that the specific pattern of seismic zones has obvious influence on seismic strain changes in the region.
      
  datong earthquakes
From the near-field records of aftershocks of October 1989 and March 1991 Datong earthquakes, an extra phase between P and S arrivals is found.
      


The variations of the geomagnetic field around the Datong-Yanggao earthquake have been studied using the practical method tackling key problems. Results show that there were obvious anomaly displays of geomagnetic field in Shanxi and Hebei areas before the Datong earthquake. Anticipation and prediction to varying degrees were done by the units concerned prior to the event. This is one more successful attempt in terms of geomagnetic methods for earthquake prediction.

应用实用化攻关方法,研究大同—阳高地震前后地磁场的变化,结果表明,大同地震前山西、河北地区地球磁场有明显的异常显示,有关单位于震前作了不同程度的预测预报,这是地磁方法在地震预报中的又一次成功尝试。

In the period of 1966-1976, the strong earthquake occurred repeatedly in North China. In this paper, after making the comparison between the Xingtai swarm first occurred and the Datong earthquake, it is found that they are same in many aspects. Then the characteristics of the grouped strong earthquake activity in North China have been analyzed for Shanxi Province. The result shows that the probability of occurrence of strong earthquakes in shanxi province grouped with the Datong earthquake in recent years is...

In the period of 1966-1976, the strong earthquake occurred repeatedly in North China. In this paper, after making the comparison between the Xingtai swarm first occurred and the Datong earthquake, it is found that they are same in many aspects. Then the characteristics of the grouped strong earthquake activity in North China have been analyzed for Shanxi Province. The result shows that the probability of occurrence of strong earthquakes in shanxi province grouped with the Datong earthquake in recent years is relatively high.

1966—1976十年间,华北强震迭起。本文将率先发震的邢台震群与大同地震进行对比。发现多种相同之处。然后又分析了华北强震成组活动特征在山西的表现。结果显示,山西近年发生与大同地震成组的强震概率较高。

After the Helingeer 6.3 earthquake in 1976, the earthquakes with Ml≥4 occurred on the border land of Shanxi, Hebei and Inner Mongolia showed, in general, a migration from west to east, the small earthquake activity formed a gap after 1985, and formed a band after 1987, the earliest precursory anomalies emerged round about 1985 and distributed inside the gap. The mid-term anomalies marked by a set of fault displacement anomalies started in May and June of 1978, a few anomalies of groundwater level and earth resistivity...

After the Helingeer 6.3 earthquake in 1976, the earthquakes with Ml≥4 occurred on the border land of Shanxi, Hebei and Inner Mongolia showed, in general, a migration from west to east, the small earthquake activity formed a gap after 1985, and formed a band after 1987, the earliest precursory anomalies emerged round about 1985 and distributed inside the gap. The mid-term anomalies marked by a set of fault displacement anomalies started in May and June of 1978, a few anomalies of groundwater level and earth resistivity appeared as well, and all these anomalies distributed outside the gap. The short-term anomalies started in March of 1987, most of which were anomalies of groundwater regime, hydrochemistry and geomagnetism, and there were anomalies of seismomitry and deformation as well. Among them, geomagnetic anomalies mainly distributed inside the gap and its boundary region, the other anomalies extended farther along Shanxi tectonic zone and Yanshan tectonic zone. In this paper, the seismogenic process of the Datong earthquake has been inferred based on the stages of seismic activity and precursory anomalies development.

自1976年和林格尔6.3级地震之后,晋冀蒙交界地区M_L≥4地震有一个由西向东总体迁移的过程,小震活动自1985年以后形成空区,1987年以后形成条带。最早的前兆异常开始于1985年前后,并分布在空区内。以一批断层位移异常为标志的中期异常开始于1987年5、6月份,还有少数地下水位及地电阻率异常,全部分布在空区外围。短期异常开始于1989年3月,以地下水动态、水化、地磁异常为最多,兼有测震、地形变异常,其中地磁异常主要分布在空区的内部及其边缘地区,其它异常沿山西构造带和燕山构造带延伸较远。本文根据地震活动及前兆异带演化的阶段性推测了大同地震的孕育过程。

 
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