Knowing the likely hazards associated with a future eruption enables us to determine potential impacts. Assigning a probability to these impacts is a way of expressing volcanic risk. To explore this we combine our knowledge of the hazards with information on Auckland’s built and social environment to describe how an eruption would affect Auckland and the rest of New Zealand.
Volcanic ash fall (tephra) can damage or even destroy buildings and infrastructure and threaten health and well-being, along with having a massive impact on both the local and national economy.
A free, multi-hazard risk assessment software programme developed in New Zealand can be a powerful tool for assessing volcanic fields around the world.
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