Normal sea level air pressure is

7.14 lb/in²

14.7 lb/in²

41.7 lb/in²

1.74 lb/in²

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.

answer; positive reinforcement;