When was Operation Volcano Buster launched on Mount Etna? Who launched it?
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Card 9
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Mount Etna: What did Operation Volcano Buster try to do? Was it successful?
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Card 10
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Mount Etna: Fill in the gaps. An earth barrier ___m long and ___m high was constructed around the town of __________. It lasted for around _______ and overflowed on ____________ 1992.
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Card 11
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Mount Etna: Would an earth barrier be sustainable in a LEDC?
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Card 12
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When was the final intervention? What did they do? Was it successful?