【摘要】 收集了从公元前 2 2 2 1年到公元 1998年的中国历史地震灾害信息 5 6 49条 ,建立了中国历史地震活动数据库 ,利用数字地图技术 ,编制了中国历史地震震中分布图及分震级、分时段、分月图谱 ,建立了中国历史地震分日次数比例检索表 .研究表明 :中国历史强震形成新疆北部、西南—青藏高原南部—青藏高原东北部—华北以及台湾 3个带状分布中心 ,并且西强东弱格局明显 ;8月份发生地震总次数和各个震级地震次数都出现高值 ,是防震抗灾的重点月份 .更多还原

【Abstract】 Based on 5 649 records of historical earthquake in China from 2221 B.C. to 1998 A.D. in the historical earthquake database, series of maps of historical earthquake disasters in China are obtained. And a search table is constructed. The results show that the north of Xinjiang, southwest of China-south of Tibet plateau-northeast of Tibet plateau-North China plateau and Taiwan are three centers of strong historical earthquake disasters. The distribution of the earthquake disasters is obviously different between the west and the east of China. The earthquake events and the earthquake events in every magnitude approach the maximum in August. August is the most important month of mitigation and resistant of earthquake disaster.更多还原