It is about 240m from surface of basement rock to the earths surface, Meilong rift crosses engineering site of Humin road viaduct ,which is not belong to mobile fit structure.

• 认为场区基岩面离地表约240米;梅陇一邓镇断裂穿越沪闵路高架二期工程场址,不属新构造运动期的活动断裂构造。