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北京时间2013年4月20日8时02分四川省雅安市芦山县(北纬30.3,东经103.0)发生7.0级地震,震源深度13公里。地震造成G318线雅安段、S210线雅安至夹江、S211线泸定段等国省干线公路损失十分严重,特别是桥梁等结构工程严重受损,交通基础设施次生灾害频发。其中,雅安市国道318线大深溪滴水岩段及天全思经桥因塌方交通中断,省道210线铜头电站至灵关道路沿线因塌方
Earthquake on April 20, 2013 at 8:02 on the Lushan County, Ya’an City, Sichuan Province (30.3 N, 103.0 E) Erupted a 7.0-magnitude earthquake with a source depth of 13 km. Ya’an section of G318 line caused by the earthquake, Ya’an-Jiaonang line of S210 line, and Luding section of S211 line suffered serious losses. In particular, structural engineering such as bridges was seriously damaged and secondary disasters of traffic infrastructure were frequent. Among them, 318 State Road, Ya’an Dashenxi Drip Rock and Tianchuansiqiao due to landslide traffic interruption, Provincial Highway 210 copper top power plant to Lingguan Road due to landslides