Determine the epicenter of an earthquake from the seismographic data below:

Time of wave arrival
p wave s wave
San Francisco 13:03:21 13:06:04
Dallas 12:04:34 12:05:59
New York City 12:24:54 12:29:50

P wave Speed 5.5 km/sec
S wave Speed 3.5 km/sec
where Z is time Zulu (GMT).

-What City is nearby?
-Is this reasonable?
-Explain why this is reasonable or unreasonable.

Professor was very unclear on instructions.