P-waves and S-waves

P-waves

• Primary waves.
• Longitudinal seismic waves.
• Travels through solids and liquids.
• Faster than S-waves.

S-waves

• Secondary waves.
• Transverse seismic waves.
• Travels through solids only.
• Slower than P-waves.
• Travel in curved paths.

S-wave shadow zones

• The circular area that S-waves are unable…