tsunami – n. a very high, large wave in the ocean that is usually caused by an earthquake under the sea and that can cause great destruction when it reaches land
challenge – n. a difficult task or problem
inaccessible – adj. an area that cannot be reached
cousin – n. the child or an aunt or uncle
epicenter – n. the part of the ground directly above the center of an earthquake
mobile – adj. having the ability to be moved; changeable in appearance or purpose
magnitude – n. a number that shows the power of an earthquake