'Mega colossal' presentation slideshows

VOLCANOES

VOLCANOES. By Jamerson. Where do volcanoes occur?. Volcanoes often occur when tectonic plates rub together and shoot hot magma from the mantle to the lava dome. They also occur in volcanic hot spots like the Hawaiian islands, Yellowstone and Anchorage, Alaska. . How Often Does A Volcano Blow?.

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