总部设在联合王国诺丁汉的英国地质勘探局的一位地震专家RichardLuckett说，从1751年以来，这个体系从来没有发生过类似强度的地面震动。
That system has not produced a quake of similar magnitude since 1751, says Richard Luckett, a seismologist at the British Geological Survey, which is headquartered near Nottingham, UK.
总部设在联合王国诺丁汉的英国地质勘探局的一位地震专家RichardLuckett说，从1751年以来，这个体系从来没有发生过类似强度的地面震动。
That system has not produced a quake of similar magnitude since 1751, says Richard Luckett, a seismologist at the British Geological Survey, which is headquartered near Nottingham, UK.
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