Because P waves are the fastest seismic waves, they will usually be the first ones that your seismograph records. The next set of seismic waves on your seismogram will be the S waves. These are ...

A recording of an earthquake has recognizable characteristics. Typically, one can recognize the arrival of different wave types. The P waves (the fastest traveling waves), S waves, and Surface waves ...

Finding that blasting near his laboratory recorded an entirely new wave on his seismograph, L. Don Leet, assistant professor of Seismology, has developed a new military technique that may greatly ...