How are P waves different from S waves?

Question:

Earthquake Waves:

Earthquakes can be a very destructive force whether natural or human-made. They can be caused by plate tectonics from the movement of the plates typically where two plates meet, volcanic activity (from eruptions or near building up to an eruption), underground collapse of caves, mine collapses, and from weapons explosions such as from nuclear weapons.

Answer and Explanation: 1