Tsunamis

What is a tsunami?

A series of ocean waves caused by an underwater earthquake, volcanic eruption, or landslide

A type of fish found in the Pacific Ocean

A tropical storm with strong winds and heavy rain

A large iceberg floating in the ocean

How fast can a tsunami wave travel in the open ocean?

Up to 500 miles per hour (800 kilometers per hour)

Up to 100 miles per hour (160 kilometers per hour)

Up to 50 miles per hour (80 kilometers per hour)

Up to 1000 miles per hour (1600 kilometers per hour)

What happens to a tsunami wave when it approaches shallow water near the coast?

It slows down and increases in height

It speeds up and decreases in height

It disappears completely

It changes direction and moves back towards the open ocean

Which of the following is NOT a sign that a tsunami may be approaching?

A sudden withdrawal of water from the shoreline

Unusual ocean waves with frothy or churning water

Rumbling or shaking of the ground

A strong smell of sulfur in the air

What should you do if you are near the coast and feel an earthquake that lasts for more than 20 seconds?

Move to higher ground immediately

Stay on the beach and watch the waves

Take shelter in a sturdy building

Go swimming in the ocean

Which of the following statements about tsunamis is true?

Tsunamis can travel across entire ocean basins

Tsunamis are caused by strong winds

Tsunamis can be predicted with great accuracy

Tsunamis only occur in the Pacific Ocean

What is the best way to stay informed about a possible tsunami threat?

Listen to local authorities and follow their instructions

Check social media for updates from friends

Watch action movies about tsunamis

Ignore any warnings and continue with regular activities

Which of the following statements about tsunamis is false?

Tsunamis can cause widespread destruction and loss of life

Tsunamis are always preceded by an earthquake

Tsunamis can travel across the ocean at high speeds

Tsunamis can be triggered by underwater landslides

What should you do if you are caught in a tsunami wave near the coast?

Try to grab onto something that floats and hold on tight

Swim towards the direction of the wave

Run as fast as possible to higher ground

Take shelter in a small cave or crevice

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