Across
- 4. one of the seismic waves that travels faster than the other
- 5. vibration that takes place in the same direction as the advance of the wave
- 7. a shake in the ground due to a sudden release of energy
- 8. secondary body wave that travels through solids
Down
- 1. scientist who studies earthquakes and seismic waves
- 2. particales move to a direction of a wave
- 3. vibrations made from earthquake
- 6. instrument that measures earthquakes