最近国际工程地质协会(IAEG)向国际科联及“国际减灾十年”科技委提出在“国际减灾十年”期间开展大城市易损性研究的建议。IAEG预计,到2000年世界人口(即65亿人)的50%将集中在不到陆地0.7%的城市中生活.这些城市的土地大部分已使用了许多世纪,有的甚至使用了几千年。而在选址时往往 Recently, the International Geotechnical Association (IAEG) presented to the CFC and the CSTD CST proposals for a study on the vulnerability of metropolitan areas during the International Decade for Natural Disaster Reduction. The IAEG estimates that 50% of the world’s population, or 6.5 billion people, will be concentrated in less than 0.7% of the land by 2000. Most of the land in these cities has been used for centuries, some even for thousands of years . And often when siting