Seismic waves

Question 1

Seismic waves

Answer 1

Released by the rupture of rock strata at the focus of the earthquake

Question 2

3 characteristics of primary waves

Answer 2

1) Fastest waves 5-8km/s
2) Compressional waves, vibrating parallel to travel
3) Able to travel through the Earth’s core

Question 3

3 characteristics of secondary waves

Answer 3

1) 1/2 speed of primary waves
2) transverse wave perpendicular to direction of travel
3) Cannot travel through liquid

Question 4

3 characteristics of surface waves

Answer 4

1) Slowest and near ground surface
2) Rayleigh waves produce rolling action
3) Love waves are horizontally polarized