Tsunamis

What can cause a tsunami?

• earthquake
• underwater volcanoes
• landslides
• all of these

As the waves travel through shallow water toward the land they get

• bigger

• smaller

• stay the same

Which statement is accurate regarding tsunamis in the open ocean?

• The wave is very high, compared to the surrounding water.

• The water is lifted, but barely noticeable in deep water.

All of the following are factors that affect tsunami intensity except

• Magnitude of earthquake causing tsunami

• Distance from earthquake to land

• Shape of coast line

• Time of day when earthquake occurs

What type of coast line would produced the worst tsunami?

• A shallow coastline, with nothing to dissipate energy

• A deep coastline, with a bay inlet

Coastal Vegetation, such as beach forest, can help slow tsunami waves.

• True

• False

How does the image relate to tsunamis? (may be more than one)

• It measures the wave height

• It is part of the tsunami warning system

• It is a seismograph

• It is a life raft

On average, about how many tsunamis occur annually?

• 1 or 2

• 10

• more than 20

• it varies each year

Tsunami is a ________ word, meaning ____________.

• Japanese, harbor wave

• Japanese, tidal wave

• Chinese, harbor wave

• Chinese, egg roll

In North America, what area is most vulnerable to tsunamis?

• The east coast beaches

• Florida's coastal towns

• California coastline

• Alaskan coastline