Across
- 2. The instrument that measures the motions of the ground.
- 6. Leaving home and moving to a safer location.
- 8. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust.
- 9. An Indonesian word for a rapidly flowing mixture of rock debris and water. Sometimes referred to as m mud flows.
- 11. Movement withing the Earth, which moves tectonic plates.
- 14. When a more dense plate moves under a less dense plate.
- 15. A sudden violent shaking of the ground
- 18. Molten rock under the surface of the Earth.
- 19. The point on the Earth's surface directly above the focus.
Down
- 1. Plates that move towards each other.
- 3. A scale for measuring the effects of earthquakes.
- 4. Plates that move away from each other.
- 5. The location where the earthquake begins.
- 7. Used to measure the power of an earthquake
- 10. A volcanic center
- 11. Plates that slide past each other.
- 12. Islands created by volcanoes.
- 13. These cause earthquakes and volcanoes.
- 16. Can check any movement withing the rocks.
- 17. A measurement of the strength of an earthquake.