31904646
Description
Flashcards by Will Wotton, updated more than 1 year ago
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Created by Will Wotton
over 3 years ago
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| Question | Answer |
| What are Jökulhlaups? | A type of catastrophic glacial outburst flood. |
| What is social vulnerability? | When a household or community is unable to support the disadvantaged people within it. |
| What type of hazard is flooding? | Geo-morphological |
| Do hotspots move with the overlying crust? | No |
| What are hotspots? | An area on Earth over a mantle plume or an area under the crust where magma is hotter than surrounding magma. |
| Surface Waves L Waves | |
| Who proposed plate tectonic theory and when? | Alfred Wegener in 1915 |
| What is plate tectonic theory? | It states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet. |
| How are mega disasters classed? | High impact and low probability |
| What index considers measures of exposure, susceptibility, coping capacity and adaptive capacity? | World risk index |
| What word describes the changing of direction of the Earth's magnetic field? | Paleomagnetism |
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