Chapter 7: Earthquakes – Vocabulary and Section Questions Section 1: pages 221-225 fault stress earthquake Section 1 Questions: 1. Where are most faults located? 2. Where do most earthquakes occur? 3. How are faults classified? 4. Along a normal fault, how do the blocks move? Section 2: pages 227-234 seismic wave focus epicenter seismograph Section 2 Questions: 1. Where do all earthquakes start? 2. Which causes more damage, a shallow- or a deep- focus earthquake? 3. What do waves carry from place to place? 4. Which waves arrive first? 5. Which waves do the most damage? 6. What instrument is used to measure ground movements? 7. How many earthquakes are measured each year? 8. What type of seismic waves arrive first at a seismic station? Section 3 pages 236-243 aftershock liquefaction tsunami Section 3 Questions: 1. What is measured with the moment magnitude scale? 2. What is a process in which shaking causes soil to act like a liquid? 3. What is a water wave triggered by an earthquake? 4. How many waves are in a tsunami? 5. Where are tsunamis most likely to hit? 6. What kind of predictions can scientists make for earthquakes?