当人类所创造的文明与科技极大地改变了这个星球,一些人渐渐淡忘了在自然面前的渺小。重大自然灾害不时发生,显露出其狂野桀骜的本性,人类真切感受到自然的巨大威力和人类生命的脆弱。面对现有技术无法准确预测地质灾害,面对人力不可扭转的地裂山崩的现实,我们的确有些无奈。地震发生一般很突然,之前的征兆一般人也很难察觉。而地震预报是世界难题,发达国家也难以预测。那么,当地震发生时,该怎么办? When the civilization and technology created by mankind has greatly changed the planet, some people gradually forget the insignificance in front of nature. Major natural disasters occur from time to time, revealing the nature of its wild shyness, humanity really feel the power of nature and the fragility of human life. Faced with the inability to accurately predict the geological disasters in the existing technologies, we are really helpless in the face of the unmanaged land-fault landslide. The earthquake is usually very sudden, before the general public is also very difficult to detect. Earthquake prediction is a difficult problem in the world and hard to predict in developed countries. So, what happens when an earthquake occurs?