1) . The amplitude of a tsunami wave is directly controlled by all of the following, except:
a. The volume of water displaced.
b. The energy (velocity) of the event
c. The distance from the source.
d.Local water depth or lateral constriction of a passageway
2) . Tsunamis, unlike wind-generated waves, can 'feel' the deep seabed and disturb sediments at rest on the abyssal floor.
true or false
3) . Which shorelines are at greatest risk for tsunamis?
a. All shorelines have a similar risk for tsunamis.
b. Near hotspots
c. Near transform plate boundaries
d. Near subduction zones
e. Near mid-ocean ridges
4) . Which of the following best characterizes a tsunami?
a. Tsunamis have relatively small amplitudes compared to their very long wavelengths.
b. Tsunamis are easily seen at sea but are lost in the swell and breaking waves along the coast
c. Tsunamis cause the land to ripple and oscillate
d. Tsunamis are faster than seismic surface waves.
5) . Why was the tsunami that struck Japan in the year 1700 called an orphan?
a. It occurred without an earthquake
b. It was caused by the great battle of thunderbird and whale
c. It was caused by a Cascadia earthquake and travelled far westward across the pacific before arriving in Japan