Fact of the day
P-waves are almost twice as fast as S-waves
P-waves travel about 1.7 times faster than S-waves. That is why a seismograph records the P-wave first and then the slower S-wave.
Fact of the day
P-waves travel about 1.7 times faster than S-waves. That is why a seismograph records the P-wave first and then the slower S-wave.