Tectonic definitions Definitions related to plate tectonics and natural hazards 0.0 / 5 ? GeographyPlate tectonicsNatural hazardsASWJEC Created by: sarahhw0506Created on: 03-05-16 12:43 69835271410 Across 1. the point immediately above the focus on the surface of the earth. (9) 4. having a thick, sticky consistency between solid and liquid; having a high viscosity (7) 5. the point within the crust where an earthquake starts. The shallower the _____, the greater the shaking on the surface. (5) 9. this builds up as the plates stick. (8) 10. a large volcanic crater, especially one formed by a major eruption leading to the collapse of the mouth of the volcano (7) Down 2. used to measure the strength (magnitude) of an earthquake. (12) 3. these are cracks in the crust which energy is released along. (6) 6. these are waves of energy that travel out from the focus in all directions. (7, 5) 7. rock fragments and particles ejected by a volcanic eruption (6) 8. this causes the plates to stick as they try to move past each other. (8)
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