Tsunamis and Their Characteristics

How would you describe the wavelength of a tsunami?

• Long

• Short

What causes tsunami's

• A vertical displacement of the water column

• A landslide

• A large underwater earthquake

• A volcanic eruption

What do Tsunami's carry across the ocean?

• solar energy

• Wind

• mngnetic energy

• the energy of the earthquake

Waves caused by winds are typically ​​ (a)   in length . Whereas waves generated by tsunamis can be up to ​ (b)   in length.

• 100-200 meters
• 5 meters
• 1 mile
• 5 miles

What is the speed of the wave determined by?

• The strength of the earthquake

• The depth of the water

• The speed of the wind

In the open sea, tsunami wave heights are typically only:

• 1 meter

• 5 meters

• 10 meters

• 20 meters

What happens to the speed of the tsunami once it reaches shallower waters at the coast?

• it significantly increases

• it significantly decreases

The energy of a tsunami wave is ​ ​ (a)   so as it slows down in shallower water, the height of the wave dramatically ​ (b)   .

• constant
• increases
• changing
• decreases

What should you do if you hear a tsunami warning?

• Head towards the coast to watch!

• Dig a hole and hunker down

• Immediately head away from the coast to higher ground