Activity 1: The Earth Shakes! DIRECHONS: Choose from the pool of phrases inside the box to describe the changes being shown by each image below. Write the letter of the best answer on the space provided below each image. A. Collapsing of structures B. Movement of the Earth's crust C. Down sloping of solid materials D. Formation of cracks on the road E. Occurrence of huge underwater waves F. Liquefaction of loosely packed sediments n 1. 3. 2. strated by Melvin G. Evardone 5.​