The skills that i need the most with in social studies

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;

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.