Have you ever noticed the continents of Africa and South America could fit together like two pieces of a jigsaw puzzle? If so, you're not alone. Did you know that goes a long way to explain where volcanos come from? What happens deep beneath the earth's surface to why earth quakes happen and what volcanoes have created. Have you ever noticed the continents of Africa and South America could fit together like two pieces of a jigsaw puzzle? If so, you're not alone. Did you know that goes a long way to explain where volcanos come from? What happens deep beneath the earth's surface to why earth quakes happen and what volcanoes have created.