I级防汛应急响应
the highest level of flood control response

8月18日5时，四川启动I级防汛应急响应（activate the highest level of flood control response），这是有记录以来，四川首次启动该响应。

Continuous rainfall has caused 22 major rivers in Sichuan to exceed their flood warning levels. Swelling rivers have flooded some urban areas in the city of Ya'an and Leshan. Local authorities have evacuated more than 100,000 people affected by the disaster.
连续降雨已导致四川省境内22条主要河流超过警戒水位。泛滥的河水淹没了雅安和乐山市的城区，当地政府已撤离10万多受灾群众。