Your answer's are:
1) Death: When a tsunami hits an area, there is a risk of death.
2) Flooding: The aftermath of a tsunami can cause flooding.
3) Loss of homes: The aftermath of a tsunami can leave thousands of people without home's.
Tsuanmi's are very devastating: Causing death, loss of homes, and flooding.
I hope this help's! :)
-LizzyIsTheQueen