3. Arrange the following data to know the proper way to locate the epicenter of an earthquake.
I. Determine the difference in the arrival time of S and P waves
II. Use the triangulation method to locate the center
III. Obtain data from three different seismological stations
IV. Determine the distance of the epicenter from the station
A. I, III, II, IV C. III, IV, I, II
B. III, I, IV, II D. IV, II, I, III
