地震的

Based on the analysis to the anomalies of Wen'an Ms5.1 Earthquake,it is found that anticlockwise migration is a basic feature of earthquake activity, and it can be as a background anomaly.

对文安5.1级地震的一些异常进行了分析和总结，认为地震逆时针方向迁移可能是地震空间活动的一个基本特征，其可作为背景异常。

One bine is that some occurred earthquakes are regarded as the "cause" of coming earthquakes, that is as the occurred earthquakes produce effect on regional stress fields, which result in the occurrence of relatively strong earthquake.

一类是以已经发生的一些地震作为未来可能发生的地震的"因"，即由于已经发生的地震对区域应力场的影响，导致未来发生较强地震。

Based on seismic source spectrum solution by multi-station and multi-event coda method, applying Brune seismic source model, we have got the source factors and spectra of 48 small earthquakes occurred before and after the Douhe earthquake of October 6 in 1995. The seismic moments, corner frequencies and stress drops are estimated from the spectra, and their correlation and variation with time before and after the Douhe earthquake are discussed.

在震源谱的多台多震尾波解法的基础上，应用Brune震源模型，求解1995年10月6日陡河ML5.9地震前后在其周围发生的48次小地震的震源因子和震源波谱，进而估算了地震矩、拐角频率和应力降，并讨论了它们之间的相互关系和在陡河地震前后随时间的变化。

As for this condition the study of physical measure of seismic intensity and damage potential of ground motion based on the abundant records and specified damage material from Chi-Chi earthquake is conducted in this paper. The main contents and conclusions of this dissertation are followed.

针对这种状况，本文利用台湾集集地震提供的同一地震中得到的丰富的地震记录和详尽的震害资料开展了烈度物理标准和地震动破坏势的研究，主要研究内容和成果有以下几个方面：(1)整理统计了集集地震的工程震害资料，并以此为基础采用平均震害指数方法绘制了集集地震的烈度等震线。

On the basis of historical seismic data, process of earthquake recurrence on three connecting fault segments of the Shanxi graben system and their relations to the 1303 earthquake with M=8.0 are analyzed in this paper.

根据历史地震资料分析了山西断陷带中3个相连接断裂段的地震复发过程及其与1303年8级地震的联系。

The seismic risk is a combination of probability of earthquake occurrence and the damage or victim potential.

地震风险主要来自两个方面，一是发生地震的可能性，二是地震发生后可能带来的损失和人员伤亡。

During the preparatory periods of the Haicheng earthquake and Tangshah earthquake, the occurrences of the stronger earthquakes in the precursory field were related to the moon's phase, the M_L≥4.5 earthquakes of the near-focus field in the trend precursory periods and the M_L≥4.0 earthquakes of the whole precursory field in the periods of the fast-changing precursors tended to occur around syzygy or quarter.

海城和唐山地震的孕震期间，前兆异常区域内的较强地震趋于发生在朔望和上下弦，海城和唐山地震的主序列以及前兆异常区域内1900年以来发生的六级以上强震与月相也存在类似的相关。这些关系可以在地震预报中作参考。

Based on the analysis of the geological tectonics setting and deep seated geophysical characteristics, the causative structure of the Yongdeng M S 5.8 earthquake on July 22, 1995 has been determined by the synthetical study of the faults in the earthquake area, focal mechanism solution, focal depths, meizoseismal region direction, post earthquake distribution, earthquake fissures and ground motion direction.

在分析地质构造背景和深部地球物理特征的基础上，通过对震区断裂构造、震源机制解、震源深度、极震区展布方向、余震空间分布、地震裂缝和地面运动方向的综合研究，确定了1995年7月22日永登5.8级地震的发震构造，探讨了形成该次地震的构造力学机制问题，认为该次地震是在局部构造应力直接作用下导致窑街—周家台隐伏断裂重新活动的结果

The focal mechanisms of moderate-small earthquakes are calculated tentatively using digital seismic wave data in some provincial digital seismic networks based on the program of focal mechanism determinations combing the first motion of P, SV and SH waves with their amplitude ratio, which is recently developed by Snoke.

引言 强震前震源及附近地区中小地震的震源机制解是否变化，一直是地震预测比较关心的问题[1]。由P波初动求取地震的震源机制解是地震学中一个常用的方法，但这种方法要求所计算的地震被很多台站记录到[2]。

0 Earthquakes in Jiashi strong earthquake sequence are analyzed, among which there are 8 strike slip earthquakes and 5 dip slip earthquakes.

分析了伽师强震群序列中 1 3次 5级以上地震的震源机制解资料，其中有 8个走滑型地震、5个倾滑型地震。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。