Across
- 1. Bowl-shaped depression at the top of a volcano.
- 3. The starting point or underground source of an earthquake
- 5. Waves of energy that travel through the Earth during an earthquake
- 8. The point on the Earth's surface directly above an earthquake's focus
- 9. Instrument used to record seismic waves and earthquake vibrations
- 10. Pulverized volcanic rock and glass fragments blasted into the air.
- 11. Measurement of the energy released by an earthquake
- 13. A break in the Earth's crust along which blocks of rock slide.
- 14. Molten rock that has flowed onto the Earth's surface.
Down
- 2. A volcano that is unlikely to erupt ever again.
- 4. Rock type formed from compressed sediments or layers.
- 6. rock type transformed by intense heat and pressure.
- 7. Rock formed by the cooling and solidifying of magma or lava.
- 11. Molten rock located beneath the Earth's surface.
- 12. A weak spot in the crust where magma and gases escape