Volcano of classifying magmatic volcanoes is by their frequency of eruption, with those that erupt regularly called active, those that have erupted in historical times but are now quiet called dormant or inactive, and those that have not erupted in historical times called extinct. However, these popular classifications—extinct in particular—are practically meaningless to scientists. They use classifications which refer to a particular volcano's formative and eruptive processes and resulting shapes. There is no consensus among volcanologists on how to define an "active" volcano. The lifespan of a volcano can vary from months to several million years, making such a distinction sometimes
Dormant commission revoked in 1975 after he made political statements which did not find favour with the government. In New Zealand, the Chief Justice of New Zealand holds a dormant commission to act as Administrator of Government in the absence of a Governor-General of New Zealand. Other Commonwealth realms use dormant commissions in similar ways. Dormant commission A dormant commission is a commission in a Commonwealth realm that lies dormant or sleeping until it is triggered by a particular event. Historically, a dormant commission was given in relation to a military command. During the Crimean War, Sir George Cathcart held a dormant