1					2				3			4
	5
6																	7	8
			9			10					11									12
						13
																	14
					15
														16			17
					18																19
20																21
		22
23						24
											25
		26											27

Across 1. major earthquake and volcanic zone that almost forms a circle around the Pacific Ocean (3 Words) 4. downward fold 6. mountain formed by the folding of rock layers (2 Words) 7. volcano opening from which lava flows 11. instrument that detects and measures earthquakes 13. point beneath Earth's surface where an earthquake starts 14. magma that reaches Earth's surface 15. fastest earthquake wave (2 Words) 18. large ocean wave cause by an earthquake 21. large hole that forms when the roof of a magma dome collapses 22. second earthquake wave to be recorded at a seismograph station (2 Words) 23. volcanic cone made up of rock particles, dust, and ash (2 Words) 25. movement of magma inside Earth 26. break in Earth's crust along which movement occurs 27. upward fold

Down 2. mountain fromed when normal faults uplift a block of rock (3 Words) 3. place on Earth's surface directly above the focus 4. earthquake wave (2 Words) 5. volcanic cone made up of alternating layers of lava and rock particles (2 Words) 8. sudden, strong movement of Earth's crust 9. scale that measures the energy released by an earthquake (2 Words) 10. physical feature on Earth's solid surface 12. large, flat area at high elevation 16. volcanic cone made up of layers of hardened lava (2 Words) 17. large, flat area just above sea level 19. break in a rock 20. vent and volcanic material around it 24. pit at the top of a volcanic cone