Editorial Note: This article is written with editorial review and topic relevance in mind.
首先，8级地震 实际是 7级地震的31倍左右。 地震能量和地震震级是 指对数关系。 里氏震级 每增加两级，能量要乘上1000倍。 6级地震的能量被认为约等于一枚 广岛原子弹 的.
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