People will be moving to collection points and centers, or the next piece of undamaged civilization, not heading into the mountains thinking they will build shelter and hunt and fish for food for the next month, especially with wives and kids.
To me self rescue means short lived, using the BOB to get to where the rescuing is, for most people that is a short distance, for some it could mean a couple of nights outdoors while moving to that point.
If we’re on a coast highway or in the mountains when the big one hits there will be No highways left, all landslide or tsunami. We won’t be going to the mountains, we will be trapped in the mountains.