This dynamic planet : world map of volcanoes, earthquakes, impact craters, and plate tectonics - Simkin, Tom; Unger, John D.; Tilling, Robert I. 1935-; Vogt, Peter Richard 1939-; Spall, Henry; Queen, James E.; Stettner, Will R.; Mathieux, Paul (Department of the Interior, U. S. Geological Survey, 1994)