Direction: Locate the epicenter of the earthquake using the triangulation method.
Time difference
Recording of the S-wave
Station
and P-wave
station (km)
(seconds)
Sitka, Alaska 200 seconds
Charlotte, N. C. 280 seconds
Honolulu, Hawaii 360 seconds
Distance of
epicenter to the
Distance in cm
1cm = 1000 km
DA
Sitka
B
Chariote
ос
Honolul
S
0 1000 2000 3000 4000 5000
kilometers.