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汉语拼音：zhèn jí

划分震源放出的能量大小的等级。释放能量越大，地震震级也越大。地震震级分为9级。一般小于2.5级的地震人无感觉，2.5级以上人有感觉，5级以上的地震就会造成破坏。

1. 表示地震本身能量大小的等级。能量越大，震级也越大。地震震级分为九级。震级每相差一级，能量相差约三十三倍。

• The relation between soures S wave acceleration and magnitude is discussed.

  并探讨了震源S波加速度与震级的关系.

• The main quake was estimated at magnitude 6.6.

  据估计主震区的震级有6.6级.

• The larger the area affected, thethe magnitude.

  受到影响的区域越大, 震级就越高.

• The quake registered a magnitude of 7.8.

  据记录,震级达7.8级.

• Measure brightness using the magnitude scale is explained.

  测量亮度使用震级解释.

• Magnitude is measured by the strength of the initial jolt and the scope affected.

  震级是按照最初摇晃的强度和受到影响的范围来测定的.

• The scale mmxh is 0.36 magnitude units higher than ML ( SC ) for southern California.

  m_(mxh)约比南加利福尼亚的M_L ( SC ) 标度高0.36震级单位.

• Thus , the magnitude scale is considered scientifically more objective and therefore more accurate.

  因此,科学上讲, 震级更客观精确.

• Afterwards, 4 more strong aftershocks hit this region. One was up to 5.0 Richter scale.

  此后, 这一地区又发生了4次有强烈震感的余震. 其中一次余震震级达里氏5.0级.