Caribbean Plate Volcanoes: The Central American Arc

Central America sits on the western edge of the Caribbean tectonic plate, and volcanoes in Guatemala, El Salvador, Nicaragua, Costa Rica, and Panama form an inland volcanic arc.

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Caribbean Plate Volcanoes: The Lesser Antilles

The Atlantic Ocean fits our general idea of how plate tectonics works–“big crack” in the middle, with seafloor spreading towards the Americas on one side and Europe and Africa on the other. There’s a lot more going on in the Caribbean. And it involves volcanism and earthquakes, both of which are capable of kicking up a tsunami in this part of the world.

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