(i) In what year was the largest number of earthquakes of magnitude between 8.0 and 9.0?
(ii) In what year did the greatest estimated number of deaths occur?
(iii) How many earthquakes of the strongest magnitude occurred over the period shown?
(iv) What is the name of the scale used for measuring the strength of an earthquake?
(v) Read the statement below and place and X in the correct box. ‘Earthquakes occur where plates collide.’
True False
5 x 2m 2011 Q4 10M
LONG QUESTIONS 1. (i) Name one location where an earthquake has occurred. (ii) Name a scale used to measure the force of an earthquake. (iii) Describe how earthquakes occur and describe their main effects.