____ caused a major tsunami wave in Alaskan coastal fjords.
a. A stratovolcano eruption
b. An undersea landslide caused by liquefaction of beach sediment
c. A massive rockfall at one end of the fjord
d. Calving of the ice at the end of a glacier
e. A submarine landslide within the fjords
Question 2
Which type of event is a source of tsunami danger for the northeastern U.S.?
a. A subduction-zone earthquake along the coast of Africa.
b. A subduction-zone earthquake off the coast of the northeastern U.S.
c. A transform-fault earthquake on the Mid-Atlantic Ridge.
d. Flank collapse of a volcano in Sardinia.
e. Flank collapse of a volcano in the Canary Islands.
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After the Eruption of Mount St. Helens in 1980
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Alaskan Halibut