The Distance to the Epicenter of an Earthquake Is Found

The distance to the epicenter of an earthquake is found by

A) locating the area where most of the damage is centered.
B) comparing the arrival times of the S-and P-waves.
C) comparing the magnitudes of the same seismic wave at different locations.
D) measuring the frequencies of seismic waves at different stations.
E) watching to see where the tsunami forms.