Question

An experienced scientist has carefully plotted the position of the epicenter of an earthquake using data from 5 seismic laboratories but the circles doe not all meet at a single point. The most logical explanation why this might be is

a. Human error
b. Not all stations are detecting the same earthquake
c. The seismic waves graph does not apply to all the seismic wave paths equally
d. The times on the clocks for the seismographs are not accurately set

Answer 1

d. The times on the clocks for the seismographs are not accurately set

Step-by-step explanation: