Author Question: Giant tsunami are usually the result of _____. a. earthquakes only b. landslides only c. ... (Read 39 times)

WhattoUnderstand · **on:** Jul 13, 2018

Giant tsunami are usually the result of _____.
a. earthquakes only
b. landslides only
c. volcanic eruptions only
d. earthquakes, volcanic eruptions, or landslides
e. earthquakes or landslides, but not volcanic eruptions

Question 2

Upon landfall, a tsunami will move ____.
a. at walking speed
b. faster than it traveled in the open ocean
c. at the speed of a helicopter or small airplane
d. much too fast for a person to outrun
e. at the speed of a commercial jet