Slide 1 EARTHQUAKES Slide 2 Section 19.1Forces within Earth Most earthquakes happen because the Earth’s crust moves along plate boundaries Usually the movement is very…
Slide 1 Earthquakes Slide 2 Vibration of earth produced by rapid release of energy (seismic waves) with radiate in all directions from the source (focus) Elastic Rebound…
Slide 1 1 Chapter 19 Earth quakes Slide 2 2 I. Forces within Earth A.Stress and Strain 1. Most earthquakes occur when rocks fracture, or break, deep within Earth. 2. Fractures…