这麽多人密密麻麻地住在无法承受强烈震动的房子里，一场地震的确能造成很高的死亡率。
With so many people living so close together in buildings that were not built to withstand intense shaking, an earthquake can exact a heavy toll.
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Richard Luckett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.
问题19地震中哪种波形会让我们感觉到震动？
Question 19. Which seismic wave brings us shaking felt from an earthquake?
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