Which Type of Event Is a Source of Tsunami Danger

Multiple Choice

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.