Multiple Choice: Select the best answer from the given choices and write it in CAPITAL LETTER on a separate sheet of paper. 1. A measure of the amount of earth's shaking that happens at a given location is called A Center B. Focus C. Intensity D. Magnitude 2. What magnitude of an earthquake is considered to be catastrophic? A. 6 B. 8 C. 10 D. 12 3. What is the scale that measures the magnitude of an earthquake A. Mercalli B. Modified C. Richter D. Seismo 4. What do you call a measure of the size of the seismic waves or the amount of energy released at the source of an earthquake? A Center B. Focus C. Intensity D. Magnitude 5. A scale that is used to measure the intensity of an earthquake is А. Mercalli B. Modified C. Richter D. Seismo 6. If you experience an earthquake, you must do the following, EXCEPT: A. Be calm B. Drop, cover and hold C Proceed in an open area D. Stay close to power lines 7. What intensity of an earthquake that destroy bridges and railways? A. 7 B. 9 C. 10 D. 11​