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plate ↖ American plate San Francisco Paragraph 4 Sometimes these two plates stop and do not move for years. Then Suddenly, they jump and an earthquake is felt. As a result of the movement of these plates, west America near the sea has always been a bad place for earthquakes. When the 1906 earthquake happened, the Pacific plate jumped 56 meters to the north. Continent Oceanic plate ★ ★ Main Idea Details ? The outside of the earth is made of _______________ . ? Two of the earth’s plates which join together suddenly _____________ . Causes of Earthquakes six different plates jump Para. 4 The end In 1976, the strong earthquake happened in Tangshan. Millions of people ________ homes and a large __________ of buildings were destroyed. lost number On the morning of September 21th, 1999, another strong earthquake _____________ Taiwan province. It happened in the __________ of Taiwan province. About 2020 people died in the earthquake. ____ number of people who were hurt reached as _______ as 4000. hit / shook center The many A lot of cheap houses were destroyed. Only a few strong ones stayed ________ . Luckily, the city’s electricity supply was cut ______ at once. up off Fill in Blanks __________ explained the Taiwan earthquake happened because the Pacific plate and the Eurasian plate _________. In the past, the earthquake happened in the ocean, but this time it moved to the ground. So it caused a worse result. Scientists jumped HOMEWORK : How can we reduce the damage of earthquakes? What shall we do if an earthquake happens? Discussions Thank you