我国是个多地震的国家，地处环太平洋地震带和地中海南亚地震带之间，抗震设防烈度在六度以上的地区面积约占国土总面积的60％以上，具有分布广、震源浅、强度大的特点。从近年来地震预报中圈定的危险区来看，广大的农村遭受地震的机率大大高个城市；从我国已发生的地震区统计 China is a country with many earthquakes. It is located between the Pacific Rim and the South Mediterranean Seismic Belt. The seismic fortification intensity is above six degrees, accounting for more than 60% of the total land area. With a wide distribution, shallow source and strong intensity specialty. Judging from the danger zones delineated in the earthquake prediction in recent years, the vast rural areas suffer greatly from the high probability of earthquakes. From the statistics of seismological zones in our country