Earthquake Crossword

1. The printout from a seismograph that0020
3. Plate boundary where plates slide side by side.
7. Person who first proposed a theory on Plate Tectonics.
12. Location of largest Earthquake of all time.
15. Type of Curst that is light in color and is not as dense.
16. The major mechanism for plate tectonics.
18. Location of largest Earthquake in North America.
23. An area around Pacific Ocean wherre most Earthquakes and Volcanoes occur.
24. Another name for size.
25. Instrument that records earthquakes.
26. The height of a wave.
28. Another name for a P-Wave.
30. Plate boundary where plates collide or move together.
33. Strongest evidence for plate tectonics.
34. Type of Curst that is dark in color and is the most dense.
35. Earthquake wave that cannot travel through liquids.
36. Sudden movement in the earth’s crust that produces Earthquakes.
37. Earthquake waves that occur in the Earth.
38. Location on the Earth’s surface directly above the focus.

2. Earthquake waves that occur on the Earth’s Surface.
4. Structural layer that plates float on.
5. Another name for a S-Wave.
6. Scientist who studies earthquakes.
8. Earthquake scale based on calculations.
9. Another name for a Tidal Wave or large wave.
10. Movement along a fracture in the Earth where earthquakes are formed
11. The name of Alfred Wegner’s Theory.
13. Structural layer that plates are made of.
14. Plate boundary where plates separate or move apart.
17. When Earth’s Magnetic Field reverses.
19. Earthquake’s Point of origin beneath the Earth’s surface where movement occurs along a fault.
20. Earthquake scale based on visual observations.
21. Divergent boundary on continents.
22. Theory that decribes tectonic plate material, & mechanism/effects of plate movement.
27. Fastest Earthquake wave and first to arrive.
29. Vibration of the Earth produced by the rapid release of energy.
31. Divergent boundary on ocean floors.
32. The study of earthquakes.