What is tsunami in simple words?

Related questions

1. What is tsunami called in English?
2. What happens during tsunami?
3. Why is it called tsunami?
4. Which country is most prone to tsunami?
5. What weather tsunamis occur?
6. How do tsunamis develop?
7. Why are tsunamis so dangerous?
8. Where do most tsunamis originate?
9. Who named Tsunami?
10. What countries do tsunamis occur most?

Tags

1. #wavelength
2. #caused
3. #simply
4. #hundreds
5. #which
6. #inside
7. #powerful
8. #crash
9. #ocean
10. #asteroid
11. #natural
12. #landslides
13. #earthquakes
14. #tsunami
15. #waves
16. #volcanic
17. #series
18. #moving
19. #suddenly
20. #usually
21. #meteor
22. #eruptions
23. #kilometers
24. #disaster
25. #starts