Tsunami Flashcards
Tsunamis form where there is what type of plate boundary?
Convergent
What cause a tsunami?
Mega-thrust
When a tsunami is in the middle of the ocean, it’s about how tall?
1-3 feet
When a tsunami is in the middle of the ocean, it moves how fast?
500 mph
When a tsunami gets close to shore its speed does what?
Slower
When a tsunami gets close to shore its height does what?
Taller
The front of a tsunami is 40 feet tall how tall is the back?
40 ft
People can be warned about tsunamis by the tsunami warning center located where?
Hawaii
The biggest and rarest tsunami is called what?
Mega tsunami
The biggest and rarest tsunamis are caused by what?
Landslide
Where was one example scientists have seen evidence of one of these big tsunamis?
Alaska
How high did the waves of this huge tsunami reach up shore?
1,000 feet
Where do scientists think conditions could cause a giant tsunami?
Canary island
What is evidence in Washington state they’ve had tsunamis?
Sand layers
What is evidence in Washington state the ground has moved up and sown?
Treesn