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Hot Water! Kilauea, in Hawaii, pours lava into the ocean. The molten rock shatters as it touches the cool seawater, creating a new black sand beach.

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Sleeping Giant Volcanoes may look peaceful, but they can be sleeping giants just waiting to explode. This is Mauna Loa, located in Hawaii's Volcanoes National Park.

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Sky High Here, an underwater volcano shoots out plumes of steam, smoke, and ash into the sky over the Pacific Ocean.

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