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Photo of the Day

April 13, 2005

Kilauea Lava, Hawaii, 1974

Photograph by Robert W. Madden

"Fiery lava pours from Kilauea, a volcano in Hawaii, and streams across previous flows now hardened into black volcanic rock. Kilauea's repeated eruptions have built up a shield volcano, so named because its shape, that of an overturned saucer, resembles a warrior's shield. Some of the world's largest volcanoes are in this category."

—From the National Geographic book Exploring Your World: The Adventure of Geography, 2003

(Photograph shot on assignment for, but not published in, "Hawaii, Island of Fire and Flowers," March 1975, National Geographic magazine)