Tectonic processes and hazards EQ1 key words 0.0 / 5 ? GeographyTectonic processes and hazardsA2/A-levelEdexcel Created by: James_Harrison16Created on: 18-02-20 12:18 Hazard A natural/geophysical event that has the potential to threaten both life and property 1 of 14 Divergent (constructive) boundaries Where new crust is generated as tectonic plates pull away from each other 2 of 14 Convergent (destructive) boundaries Where crust is destroyed as one tectonic plate drives under another 3 of 14 Conservative (transform) boundaries Where crust is neither produced or destroyed as tectonic plates slide horizontally past each other 4 of 14 Hot Spot Area where heat under the Earths crust is localised 5 of 14 Mantle Plume Where convecting heat rises to the surface creating basaltic volcanoes 6 of 14 Mantle A semi-molton body of rock between the Earths crust and its core 7 of 14 Asthenosphere The lower part of the mantle 8 of 14 Lithosphere The crust and upper mantle which form tectonic plates 9 of 14 Subduction The process of one plate sinking beneath another at a convergent plate boundary along a sloping line called a Benioff Zone 10 of 14 Earthquake An intense ground shaking motion that lasts for a few seconds 11 of 14 Epicentre The point on the Earths surface directly above the focus of an earthquake 12 of 14 Focus The point below the Earths surface where an earthquake occurs 13 of 14 Secondary Hazard The indirect effects that result from the main (primary) impact of a hazard 14 of 14
GEOG4- Tectonic activity and hazards [2014] pre-release series: #4- pre-release revision PPT. 0.0 / 5
Comments
No comments have yet been made