When an earthquake happens, part of the Earth's surface moves. In fact, the surface of the Earth moves all the time. The tectonic plates(地壳板块) which make up the surface press against each other very 【小题1】. Over thousands of years, this movement creates great 【小题2】. In some places where the layers(表层)   of rock are weak, this finally causes a 【小题3】 movement -an earthquake. Thousands of earthquakes happen every day, 【小题4】 most are very small and cause no damage. A large earthquake shakes 【小题5】 to the ground, or causes a tsunami(海啸) wave. The results are usually very 【小题6】 .

It's common for people in southern Europe 【小题7】 big earthquakes, and on November1st, 1755, a powerful earthquake 【小题8】 the city of Lisbon in Portugal. Between 60,000 and 100,000 people lost 【小题9】 lives. After the earthquake a tsunami struck the city, and there was 【小题10】 a fire, which caused nearly total destruction(毁灭). People as far away as Finland 【小题11】 the shock, and the tsunami reached Barbados in the West Indies.