CHARACTERISTICS OF SEISMIC ACTIVITY AND SEISMIC RISK PROBLEMS IN THE CENTRAL-EASTERN YANGTZE RIVER ECONOMIC BELT (SHANGHAI-CHONGQING SECTION)
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摘要: 基于历史和仪器地震资料,重点介绍了长江经济带东段地震活动特点,进行了地震区带划分,探讨了该区中心城市的震灾问题,并结合区域地震异常,指出了当前华东沿海和郯庐带南段的地震危险性信息,指出了本区面临的地震安全和防震减灾的问题及相关建议。Abstract: In this paper, based on historical and instrumental seismic data, we focused on the characteristics of the seismic activity in the eastern part of Yangtze River Economic Belt, gave the division of seismic zone, discussed the problems of the earthquake in the city center area. Combining with regional seismic anomaly, we pointed out the great earthquake hazard information of the current eastern coastal and Tanlu belt, pointed out the problems and related suggestions on confronting the earthquake safety and earthquake prevention and disaster reduction.
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图 2 长江经济带(重庆—上海)地震活动分布图(M≥2.0)[3]
Figure 2. The seismic activity distribution map of the Yangtze River Economic Belt (Chongqing-Shanghai) (M≥2.0)
图 4 长江经济带历史地震烈度[8]
Figure 4. The historical earthquake intensity in the Yangtze River Economic Belt
图 6 1846年8月4日南黄海地震烈度图[9]
Figure 6. The seismic intensity map in the South Yellow Sea on August 4, 1846
图 7 1984年5月21日南黄海地震烈度图[9]
Figure 7. The seismic intensity map in the South Yellow Sea on May 21, 1984
图 8 1996年11月9日长江口地震烈度图[9]
Figure 8. The seismic intensity map in Yangtze River Estuary on November 9, 1996
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