根据美国地质调查局布朗提供的材料,1980年度美国地震预报计划包括四个大的方面,总共投资三千一百三十万美元。具体项目与经费分配如下:1.地震灾害与危险性估计。经费:一千一百一十万美元,占总经费35%。负责人:布朗(R.Brown)。包括以下项目:①地震数据库,经费占5%;②全民危险性估计,经费占9%;③西部地区城市危险性估计,经费占40%;④东部地区城市危险性估计,经费占16%;⑤地震潜在势与表面断层的研究,经费占5%;⑥预防地基振动的研究,经费占16%;⑦预防地 According to the material provided by the United States Geological Survey Brown, the 1980 U.S. Earthquake Prediction Program comprised four major areas with a total investment of 31.3 million U.S. dollars. Specific projects and funds allocated as follows: 1. Earthquake disaster and risk estimates. Provision: 11.1 million U.S. dollars, accounting for 35% of the total budget. Leader: Brown (R.Brown). Including the following items: ① Earthquake database, accounting for 5%; ② National risk assessment, accounting for 9%; ③ Urban risk assessment in the western region, accounting for 40%; ④ Estimated urban risk in the eastern region, accounting for 16% ⑤ earthquakes potential and surface fault research, funding 5%; ⑥ prevention of ground vibration research, accounting for 16%; ⑦ prevention