Across
- 4. Catastrophic 2004 tsunami killing over 250,000 people
- 6. Viscous slow flowing lava which causes explosive but infrequent eruptions
- 11. Process in which extreme shaking causes soil to inhabit characteristics of a liquid
- 13. High viscosity magma which causes cataclysmic eruptions
- 15. Feature formed beneath the ground by tectonic activity
- 17. Low widespread volcano formed by lava flows
- 18. Two plates sliding past one another
- 21. Rock type caused by the cooling of magma
- 22. Icelandic eruption in 2010
- 24. Violent earthquake only formed at destructive boundaries
- 25. A volcanic hot spring that shoots hot water into the air
- 26. Cooled magma in the vent of a volcano that remains after a volcano has eroded
- 27. Subductive plate boundary
- 30. Steam ejected by super heated water beneath the volcano
Down
- 1. Process which formed the chain of volcanic Hawaiin islands
- 2. The most explosive type of eruption
- 3. A measure of magma's consistency
- 5. Large igneous intrusive rock that forms from cooled magma deep in the earth
- 7. Solid material ejected from a volcano
- 8. Intrusive dome of rock that forces up the overlying rock into an arch
- 9. Eruption where large amounts of lava and pyroclastic material is ejected
- 10. Volcanoes formed in which huge explosions have removed the summit of the cone
- 12. Name given for the liquid part of the mantle
- 14. Eruption caused by two plates moving apart and lava being ejected in the space
- 16. Feature produced as two plates move apart and no magma rises to fill the space
- 19. Low viscosity magma, generates frequent but gentle eruptions
- 20. 1991 volcanic eruption killing 847 people
- 23. Crust and upper mantle
- 28. Feature formed above ground by tectonic activity
- 29. 2010 earthquake at magnitude 7.0 killing over 300,000