Flashcards in Nyiragongo, Congo (LIC Volcanic Case Study) Deck (5)
Spatial and temporal setting
17th January, 2002. Democratic Public of Congo. VEI: 1
Why did the event occur?
Release of tension at constructive plate boundary in African Rift Valley. 250m deep and 2km wide crater that contains lava lake. This lake meant rapid lava flow of over 40mph.
Responsible for 40% of all Africa's eruptions. Frequent but tend to be slow so low threat. Causes very fertile soil; cost/benefit. This eruption was very unexpected.
- Warning meant evacuation was possible
- Destroyed 1/3 of Goma (water & power facilities)
- killed 147. Mostly from poisonous gases, contaminated water and falling buildings
- Poisoned water supplies
- 350,000 fled to Rwanda. Issues with food and shelter.
- Several earthquakes followed
- Unemployment rose from 80% to 95%