Question

Write a note on seismic waves

Answer 1

Instructions:It is a conceptual question.

• What are seismic waves?
• Write down the types
• Write the brief description about each types

Answer:
Seismic waves:

• Seismic waves are shock waves created by the earthquake

Types:

• Body waves (P- waves & S- waves)
• Surface waves

P-waves:

• First to reach the earth surface
• Longitudinal waves
• Shake the ground along the direction of its propagation.
• Passes through liquids

S- waves:

• Second to reach the earth surface
• Transverse waves
• Shakes the ground perpendicular to the direction of its propagation
• Not passes only through liquids

Surface waves:

• Most destructive