Erupting volcano and may be expected to once again.The dormant volcano,even if is alive but not now and in the future may again erupted,a volcano in eruption may be called a live volcano.
Dead volcano refers to prehistoric had erupted,but in the period of human history has never had the volcano activity.The volcano eruption due to never have lost activity ability.The volcano is still maintained complete volcano morphology,others have suffered from erosion,leaving only the volcano remains incomplete.
A dormant volcano refers to ever had erupted.But for a long time in the stationary state relative to the volcano.The volcano has retained volcano male form,still having the volcano activity,or still cannot conclude the lost volcano activity.