San Francisco is a big city which lies in the west of the United States very near the Pacific, where two earth’s plates often meet and jump.So earthquake is a 1 word to hear there.It is recorded that at least 2 big earthquakes have happened in San Francisco since the beginning of the 3 century.One happened in 1906, the other in 1989.
The second worst earthquake 4 San Francisco on the evening of October 17, 1989, when people were travelling to their 5 .A wide and busy overhead road fell onto the one 6 .Many people were killed in their cars.A few 7 ones were not hurt, but many thousands became 8 .A large number of weak buildings didn’t 9 in the quake and the 10 electricity was cut off for several days, too.