Definition of "vulcanicity" []

• The quality or state of being volcanic. (noun)
• The level of power of a volcano. (noun)

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• "To anyone who has never seen the legacies of past vulcanicity at close quarters, what more awesome and eye-opening introduction could there possibly be?"
• "Cotopaxis, and Kilaueas in magnitude, simple pinheads on the moon, have opened their tiny jaws in weak and ineffective expression of the waning energies of a still later epoch, which followed the truly heroic age of lunar vulcanicity."
• "Some people ‘know ‘ aliens are here other ‘know’ vulcanicity is the cause of the warming."