Achievements
Since it was initiated, the Decade Volcano program has achieved a number of successes in predicting volcanic events and mitigating disasters. One of the most notable was the successful diversion of a lava flow and blanket at Mount Etna in 1992. The flow was threatening the town of Zafferana, and had overwhelmed several barriers placed perpendicular to its flow down a valley. Scientists and civil defence leaders decided to try to dam the flow higher up, and did so by dropping large concrete blocks into a skylight in a lava tube which was feeding the flow. The flow subsequently stopped short of Zafferana.
The program has significantly increased what is known about the Decade Volcanoes, some of which were very poorly studied before being designated. The eruptive history of Galeras volcano is now much better established than previously, and at Taal Volcano the importance of water in driving its explosive eruptions has come to light.
Measures which have been taken to mitigate disasters which might be caused by future eruptions include a new law in the vicinity of Mount Rainier, requiring assessment of geological hazards before any new developments; limitations on high density housing developments in the Taal Caldera; and the development of an evacuation plan for parts of Naples which might be affected in the event of an eruption at Vesuvius.
Read more about this topic: Decade Volcanoes
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