地震矩 seismic moment
- 一些利用现代通信的新科技最近已经投入使用,这使得信息机构能够得到重大地震矩震级的快速评估报告。
New techniques that take advantage of modern telecommunications have recently been implemented, allowing reporting agencies to obtain rapid estimates of moment magnitude for significant earthquakes. - 所研究地块内地震过程引起的平均应变速率等于发生在单位时间、单位体积内的所有地震的地震矩张量之和。
In earthquake process, average strain rate of the research block is equal to the sum of all seismic moment tensors of the earthquakes taking place in unit time and physical volume. - 分析表明,该地区的地震矩、拐角频率与应力降等震源参数与震级有一定的相关性,应力降的时空演化特征可以作为该地区今后地震趋势预测的一种新手段。
The result shows, the source parameters for example seismic moment, corner frequency and stress drop and so on is relative with magnitude, the evolvement characteristic of time and space of stress drop is a new measure for earthquake prediciton.
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