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Dormant Volcano - John Seach
A dormant volcano is a historically active volcano which has been quiet for an extended period of time. There is no particular timeframe used to classified dormancy.
Examples of dormant volcanoes:
Mt Baker (Washington, USA)
Mt Hood (Oregon, USA)
Campi Flegrei (Italy)
Nisyros (Greece)
Newer Volcanics Province (Australia)