Abstract Lifelines and infrastructure systems are among the most critical operational components of an urban environment to ensure a minimum level of post-earthquake economic and societal functionality following major seismic events. The overall performance of lifeline systems after the September 19, 2017 Mw 7.1 Central Mexico earthquake was generally positive. The most extensive impact was observed on the fresh water supply network within Mexico City (CDMX), which resulted in the temporary loss of water supply for nearly six million people, yet expedited repair work and temporary solutions limited severe interruption of daily operations and helped mitigate human suffering. The road, railroad and bridge networks were reported to have experienced very limited damage. Less than a dozen bridges indicated some level of damage in the areas affected by the earthquake. Only few selected rail stations within the public transportation system of Mexico City (metro) were temporarily closed for up to one month due to structural damage. The electricity network was reestablished to its full capacity within four days. Several case studies in the regions ranging from Mexico City to the earthquake epicenter (Puebla) are presented in this paper to provide an overview of engineering success stories as well as opportunities alike.

中文翻译：

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2017 年 9 月 19 日 MW 7.1 CENTRAL-Mexico 地震：对选定基础设施系统的即时观测

摘要 生命线和基础设施系统是城市环境中最关键的运营组成部分之一，可确保在重大地震事件发生后将震后经济和社会功能降至最低水平。2017 年 9 月 19 日 Mw 7.1 墨西哥中部地震后，生命线系统的整体性能总体上是积极的。墨西哥城内的淡水供应网络 (CDMX) 受到的影响最为广泛，导致近 600 万人暂时失去供水，但加快维修工作和临时解决方案限制了日常运营的严重中断，并有助于缓解人类的苦难。据报道，公路、铁路和桥梁网络受到的破坏非常有限。不到十二座桥梁表明受地震影响的地区受到一定程度的破坏。由于结构性损坏，墨西哥城（地铁）公共交通系统中只有少数几个选定的火车站暂时关闭了长达一个月。电力网络在四天内恢复到满负荷运转。本文介绍了从墨西哥城到地震震中 (普埃布拉) 地区的几个案例研究，以概述工程成功案例和机会。