P. L. Boulle 1990 <p>Today, there is a considerable body of knowledge about natural hazards that laso enables us to devise effective means to limit the damage they cause. Yet, the reality of the situation is that disasters are increasing in number worldwide, and their social and economic impacts are becoming more nad more difficult to hear.&nbsp;</p> application/pdf en U.S Geological Survey Will the 1990’s be a decade of increasingly destructive natural disasters? article