- Volcanoes can be roughly predicted from tell-tale signs.
- Tiny earthquakes, escaping gas and changes in shape of the volcanoe (e.g. bulges).
- Predictions gives people time to evacuate and so it reduces the number of deaths and injuries.
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- Future developments, e.g. new houses - reduces the number of buildings destroyed.
- firebreakers can be made to reduce the spreak of fires.
- energency services can train and prepare for disaters.
- Governments can plan evacuation routes to get away from the volcano quickly and safely.
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- Buildings can't be designed to withstand lava flows or pyroclastic flows but they can be strengthened so they're less likely to collapse.
- lava can be diverted away from some builginh using barriers.
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- Governments and other organisations can educate people on how to evacuate if a volcano erupts.
- people can be told how to make a survival kit.
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