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1墨西哥地震1．1概况1985年9月19日13时17分（国际标准时间）在墨西哥西南太平洋海底发生8．1级强震，震源深度33km，紧接着于20日1时37分又发生7．6级强余震。地震波及沿海3个州和首都墨西哥城，有感范围80万km’，甚至远在1700多公里以外的美国休斯敦的摩天大楼也略有晃动，?
1 Mexico earthquake 1.1 General situation At 8.17 on September 19, 1985 (International Standard Time), a 8.1 magnitude earthquake struck the seabed in the southwestern Pacific Ocean in Mexico. The depth of the focal point was 33 km, followed by another one at 1:37 a.m. 7.6 strong aftershocks. Earthquake affected the three states along the coast and the capital city of Mexico City, with a sense of 800,000 km ’, and even more than 1,700 kilometers away from the skyscrapers in Houston, the United States also slightly swaying?