geography - eruptions
- Created by: katiebroster
- Created on: 14-03-16 20:53
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- predicting eruptions and preparations
- hundreds of small earthquakes
- seismometers detect earthquakes
- temperature in volcano rises
- thermal imaging techniques and satellite cameras detect heat
- gases released - higher sulphur content = closer to eruption
- gas samples taken and chemical sensors to measure sulphur levels
- creating and exclusion zone
- ready to evacuate
- emergency supply of basic provisions e.g. food
- funds available
- good communication system set up
- hundreds of small earthquakes
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