地震应力主要有压缩应力、拉疏应力及剪切应力的复杂性；
Seismic stress is composed of compressive stress, tensile stress and shear stress.
海地地震是由其周围的两个构造板块释放地震应力而引起的。
The Haiti earthquake was caused by the release of seismic stresses that had built up around two tectonic plates.
天然地震应力降低于室内粘滑应力降是由围压介质刚度引起的。
That the stress drops of natural earthquakes are not as great as that of laboratory experiment is caused by confining, stiffness.
目前，对于地震矩及地震应力降与震级的关系存在着不同的看法。
At present, there are different views about the relationships between seismic moment, stress drop and the magnitude.
根据双相介质理论，使用地震、地质资料反演出地震孔隙率和岩石地震应力。
Seismic porosity and seismic stress of rocks can be inverted with seismic and geological data based on the theory of two phase medium.
地震应力降随震级的不同有较大的变化，其取值范围为几十万帕到一千多万帕。
The seismic stress drops vary with magnitude strongly, which are from several hundred thousand Pa to more than ten million Pa.
研究结果还表明用地面运动峰值参数估算地震应力降是一种新的实用性较强的方法。
The results of this study also show that estimation of seismic stress drop from the peak parameters of ground motion will become a new practical method.
来自板块之间相对运动的构造力可以传递到大陆地壳，从而形成了大陆内部的地震应力场。
Tectonic forces from the relative movements between plates are transmitted into the continental crust, and then they create the earthquake generating stress field there.
本文就此问题进行简单的讨论。对于大地震而言，可以近似地认为地震应力降与震级无关。
Here it is considered that there is almost no relationship between stress drop and magnitude for large earthquakes.
这两个分量反演的地震孔隙率和岩石地震应力从不同角度反映地层的结构和骨架的弹性性质。
The seismic porosity and rock seismic stress which are obtained from inversion of the two energy components reflect stratigraphic structure and frame elastic characteristic in different aspects.
本文在分析了已收集到的世界各国埋地管道地震应力计算公式的基础上，提出了合理的计算公式。
The paper, based on a theoretical analysis of the seismic stress computation formulas for buried pipelines of various countries, introduces some reasonable formulas.
在近场地震动作用下双层隧道下层的地震应力幅值要比上层的地震应力幅值大，在远场地震动作用下则相反；
The seismic stress amplitude of the lower layer is larger than that of the upper layer under near-field ground motion, and under far-field ground motion the condition is opposite.
矩震级标度是从地震矩换算过来的，换算关系中地震应力降与剪切模量估算的不准确会对矩震级标度产生影响。
Moment magnitude is transformed from seismic moment, so the estimation inaccuracy of stress drop and shear modulus will affect moment magnitude scaling.
如果北美大陆该地区预先就有诱发地震的应力，将很难评估该地区的地震风险。
If this area of the North American continent is preloaded with the stress that can lead to earthquakes, it will be difficult to assess earthquake risk in the region.
因此，当这些应力最终释放的时候，所发生的地震比以往更加具有破坏性，就连在古巴东部就能感受到震动，一系列强烈的余震一直持续到第二天。
When it finally struck, therefore, the earthquake was all the more violent. They could feel the shaking as far away as eastern Cuba.
1999年土耳其伊兹密特(Izmit)发生大地震，紧接着在同一断层线的东部的迪兹杰(duzce)[3]发生了另一场大地震，我们确信，这两场地震因为应力作用而相互关联。
In 1999 the deadly Izmit earthquake in Turkey was followed a short time later by the Duzje earthquake to the east along the same fault line, and we believe they were related through stress.
1967年印度发生的那起震级6.3级、致200人死亡的地震就是印度的柯伊呐(Koyna)大坝(拦截的水产生的应力)造成的。
A magnitude-6.3 quake in India in 1967 that killed 200 people was caused by impoundment behind the country's Koyna Dam.
有人认为这一系列相对来说规模较小的地震是潜没地带为适应04年地震之后形成的应力分布模式自身调节的结果。但是一些研究人员却对此持怀疑态度。
Some researchers say they suspect that the series of somewhat weaker quakes represents the subduction zone readjusting itself to changes in stress patterns established by the '04 quake.
该理论认为产生震级7-7.5级地震的必要能量来自很久以前在地球地壳积蓄的应力。
The theory suggests that the energy necessary to produce the magnitude 7-7.5 earthquakes came from stored stress built up in the Earth’s crust long ago.
表明应力应变异常形态的时间特征与地震的孕育和发生有较明显的关系。
The results show that the anomalies' shape character of stress and strain has obvious relation with the development and occurring of earthquakes.
同时，应用断层系统内各个断层相互耦合作用和应力转移的模型，去分析成组地震活动迁移过程的机理。
The mechanism analysis of migration process of grouping seismicity has been done by using a model of fault interaction and stress transition.
计算结果表明，分离器内部工作压力对分离器应力的贡献远大于风载荷和地震载荷。
The results show that the contribution of working pressure to stress of the Venturi separator is far greater than that of wind loads and seismic loads.
地震矩和应力降都呈现出随震级而单调递增的规律性变化。
The trend that scalar seismic moment and stress drop increase with magnitude was obvious.
静态应力转移及地震触发：看不到应力下限吗?。
Static stress transfer and earthquake triggering:No lower threshold in sight?
1991年以来的地壳运动趋势分析，对判断该区域的应力状态和地震大形势具有一定的参考意义。
The analysis of the crustal movement tendency since 1991 have some significance for the judging stress state and large seismic situation in the area.
地震是在剪应力作用下发生的岩石大规模破裂过程。
Earthquake is the rupture prdess of rock In large scale under the applied shear stress.
地震是在剪应力作用下发生的岩石大规模破裂过程。
Earthquake is the rupture prdess of rock In large scale under the applied shear stress.
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