It is never a bad thing to be cautious and well-prepared. So here it is, an emergency kit that may help save yourself:
A whistle to attract help
Dusk mask(s)
Duck tape
A wrench/plier
Flashlights and batteries
At least one gallon of water
Moist towelettes
Garbage bags
Sleeping bags
First-aid kit: pain medicine, hand sanitizer, tweezers, sharp scissors
At least three days' worth of crackers, cereal, canned foods, and a manual can-opener