How did the Sumatra-Andaman earthquake cause so much damage if it occurred in the middle of the Indian Ocean? The earthquake produced a tsunami that caused the destruction. It didn't cause a lot of damage because it was in the ocean. Much marine life was killed. Many sailors and fishermen were killed.
Explanation: because of the waste and junk put into the ocean that must of backfired to the land and the wind would blow stuff at the area hope this helped because I'm not 100% certain
