3:48 AM Plate Tectonics. 3:48 AM Plate Tectonics.
IV. Modern Plate Tectonic Theory A. Major plates and plate margins Names and types of major plates Symbols for plate margins B. Divergent (constructive)
Magnitude 8.9 NEAR THE EAST COAST OF HONSHU, JAPAN Friday, March 11, 2011 at 05:46:23 UTC Japan was struck by a magnitude 8.9 earthquake off its northeastern.
