pyq/2019/geography-optional-i/4

(a) Discuss the methods of measuring the intensity and magnitude of earthquakes. How are seismic zones demarcated? (20 marks)

(b) The impact of floods on life and property can be most effectively reduced by hazard mapping. Comment. (15 marks)

(c) How are ocean waves formed? Distinguish between a wave of oscillation and a wave of translation. (15 marks)