Tsunamis Flashcards
1
Q
What is the Japanese word tsunami translated to
A
Harbour wave
2
Q
What is a tsunami
A
A tsunami is a series of waves caused by an earthquake on the ocean floor
3
Q
What speed can tsunamis reach
A
700kmph
4
Q
What happens to tsunami waves when they enter shallower water?
A
The waves slow and get taller (up to 30m)
5
Q
What are some measures to reduce the impact of tsunamis
A
Building diversion channels
Moving houses back from shore
Build sea walls
Planning evacuation routes
Planting trees on the coast to offer protection
Using buoys at sea for an early warning system
Raising houses and roads on stilts to reduce the impact of floods