A study of the effects of geotechnical properties and sedimentary structures on the seismic motion and the associated seismic disaster mitigation

这清楚地表明，墨西哥城盆地的地面是在非常温和的淡水流动环境条件下沉积的。墨西哥城的地面具有地震后不易受潮的特性。这表明，地震发生时，地震运动将持续很长一段时间。此外，还发现墨西哥城盆地基岩埋深与盆地振动特性有密切关系。因此，如果能够实现在盆地中的定位，就能够估计地震属性。

It was clearly revealed that the ground of the Mexico city basin was deposited under the environmental condition of a very gentle flow of fresh water. The ground of Mexico city had the property that was hard to damp for the earthquake. This shows that seismic motion will be continued for a long time at the time when an earthquake occurs. In addition, it was found that there was the close relation between the bedrock depth and the vibration properties in Mexico city basin. Thus, if it can be realized the location in the basin, it will be able to estimate the seismic properties.