why is the arrival time for the p wave always earlier thsn the ariivsl of the same seismograph station?
2 answers
Not exaclty sure what you are asking but the P waves travel the faster than the other earthquake waves.
oops - I put an extra "the" in that sentence. I wanted to say at first that "the P" waves are the fastest" and then changed the sentence and left the extra THE in by mistake.Sorry!
1 answer