You Gotta Know These Active Volcanoes

All of the volcanoes in this article are either stratovolcanoes or shield volcanoes. A stratovolcano is a conical volcano that has been gradually built up by layers of rock strata. A shield volcano is built up over time by broad sheets of viscous lava until it resembles a warrior’s shield. Stratovolcanoes are more common and tend to have more dramatic profiles.

This article was contributed by NAQT writer Justin Millman.

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