Michael Pidwirny (Lead Author);John Shroder, Galal Hassan Galal Hussein (Topic Editor) "Plate tectonics". In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth July 19, 2010; Last revised Date March 7, 2011; Retrieved March 14, 2011
"Japan lies on the cusp of the Pacific-Philippine-Eurasian triple plate junction, where the complex interactions of three tectonic plates is unpredictable and loaded with potential activity" (¶1, 2011.03.14).
A superb interactive science resource about the structure of the Earth, plate Tectonics, earthquakes and volcanoes.
http://ictmagic.wikispaces.com/science