英德
有道
百度
谷歌
图片
维基
百科
地震级
earthquake scale
- 通常把小于2.5级的地震叫小地震，2.5-4.7级地震叫有感地震，大于4.7级地震称为破坏性地震。
Usually less than the 2.5 earthquake Jiaoxiao earthquake ,2.5-4 .7 earthquake is felt tremors, more than 4.7 earthquake known as the devastating earthquake. - 英国发生了二十多年最严重的地震。5.3级地震震中位于伦敦北部125英里处，造成了轻微的破坏但并无人员伤亡。
The largest earthquake in more than 2 decades struck Britain. The 5.3-magnitude quake was centered about 125 miles north of London, causing minor damage but no injuries. - 主要结果有：①在2003年新疆境内中强地震成组活动的背景下，于现代地震活动很弱的昭苏盆地内发生了6.1级地震；②6.1级地震为主－余型地震序列，震后序列衰减正常；③主震震源机制解结果与现代区域构造应力场特征吻合，表明构造活动具有明显的继承性，并对地震活动有着控制作用；④震源区域构造应力释放充分，区域应力场处于相对稳定的调整状态。
The following results were obtained: (1)The M(subscript s)6.1 earthquake in the Zhaosu basin with weak present seismicity on the background of grouping activity of moderately strong earthquake of Xinjiang, in 2003. (2)The regional seismicity exists some anomaly before the M(subscript s)6.1 earthquake, but precursory anomaly is not clear. (3)Earthquake sequence with the M(subscript s)6.1 is mainshock-aftershock type, which decays normally after the event. (3)Focal mechanism solution of mainshock is consistent with region character of modem tectonic stress field, which shows that tectonic activity have remarkable secession and controls seismicity. (5)Tectonic stress of source region releases completely, and is in stable state of adjustment.
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