总计至少六百人已证实死亡，另有六百五十人失踪。
In all, at least 600 people have been declared dead and another 650 missing.
至少有53人已经证实死亡，然而最终的数字可能要远远高过此数。
At least 53 people have been confirmed dead though the final Numbers are likely to be far higher.
几百年来，证实死亡的标准是心脏长时间不跳动且长时间没有呼吸。
For centuries, prolonged absence of heartbeat and respiration were the criteria for certifying death.
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