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1989年10月17日,当地时间午后5时零4分,美国西海岸的大城市旧金山遭受到了7.1级大地震的袭击,震源是位于旧金山市的东南方约90～100公里的圣克鲁斯附近。死62人,受伤3 208人,受灾人数约5万5千人,地面上的建筑物、管道遭受严重的破坏,总损失余额约达70～80亿美元。奥克兰地区沿港湾的Ⅰ—880号高速公路约两公里地段几乎完全被破坏,港口公路大桥夹在长大连续梁梁中间的简支梁被震落。然而,令人十分担心会受到地震破坏的沿
On October 17, 1989, at 05:04 local time, San Francisco, the metropolitan area on the west coast of the United States, was hit by a 7.1-magnitude earthquake near the city of Santa Cruz, about 90-100 km southeast of San Francisco . 62 people were killed, 3 208 were injured and about 55,000 people were affected. The buildings and pipelines on the ground were seriously damaged, with the total loss of about 70 to 80 billion U.S. dollars. Approximately two kilometers of the I-880 expressway along the harbor in Oakland are almost completely destroyed. The simple supported girders sandwiched between long and continuous beam girders of the Harbor Highway Bridge are shaken off. However, people are very worried about the damage that will be caused by the earthquake