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首页> 外文期刊>Seismological research letters >Lower Bounds on Ground Motion at Point Reyes during the 1906 San Francisco Earthquake from Train Toppling Analysis
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Lower Bounds on Ground Motion at Point Reyes during the 1906 San Francisco Earthquake from Train Toppling Analysis

机译：1906年旧金山地震从火车倒塌分析的地震雷亚斯在地面雷亚斯的地面运动下界

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摘要

Independent constraints on the ground motions experienced at Point Reyes station during the 1906 San Francisco earthquake are obtained by analyzing the dynamic response of a train that overturned during the earthquake. The train is modeled as a rigid rectangular block for this study. From this analysis, we conclude that the peak ground acceleration (PGA) and peak ground velocity (PGV) at Point Reyes station would have been at least 4 m/s(2) and 0.5 m/s, respectively. This lower bound is then used to perform simple checks on the synthetic ground-motion simulations of the 1906 San Francisco earthquake. It is also shown that the hypocenter of the earthquake should be located to the south of Point Reyes station for the overturning of the train to match an eyewitness description of the event.
机译：通过分析在地震期间推翻的火车的动态响应来获得在Point Reyes Station在Point Reyes Station在Point Reyes Station的地面运动中进行的独立限制。 该列车被建模为这项研究的刚性矩形块。 从该分析中，我们得出结论，点雷比站的峰接地加速度（PGA）和峰值接地速度（PGV）分别为至少4m / s（2）和0.5 m / s。 然后，这种下限用于对1906年旧金山地震的合成地运动模拟进行简单检查。 还表明，地震的低柔顺者应该位于点雷耶斯站的南部，以便掀起火车以匹配事件的目击者描述。

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