Unused tunnel and give reasons for people to use it is it safe​

According to that blurb, tunnels are “some of the safest places to be during an earthquake.” Jean-Philippe Avouac, geology professor at Caltech, more or less agrees. “Structures which are underground are less vulnerable to shaking than structures at the surface,” he says. “That's just the effect of inertia."

Explanation:

the answer f probably