11918163
Description
Flashcards by Wesley Spearman, updated more than 1 year ago
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Created by Wesley Spearman
over 6 years ago
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| Question | Answer |
| What plate margin is Lake Nyos located on? | Hotspot Oku Volcanic Field in Cameroon Rift |
| When did the disaster occur? | 21st Aug 1986 |
| What happened? | Limnic eruption - dissolved carbon dioxide eruptions from lake water. Sudden release of 100,000-300,000 tons of CO2. Gas cloud rushed into the valleys, suffocating livestock and humans within 25km |
| What were the effects? | ~1,750 human deaths. ~3,500 livestock deaths. ~4,000 people fled the area. ~1.2km^3 of gas released. Many survivors developed lesions, paralysis and respiratory problems. |
| What management occurred? | Degassing system installed - aims to reduce concentration of CO2 in deep waters |
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