On the M7.3 earthquake on 9 March 2011 in Japan and the subsequent M9.0 Tohoku earthquake on 11 March 2011 in the light of natural time


Nicholas V Sarlis, University of Athens, Athens, Greece, Panayiotis Varotsos, National and Kapodistrian University of Athens, Solid Earth Physics Institute, Athens, Greece and Efthimios S Skordas, National and Kapodistrian University of Athens, Department of Physics, Athens, Greece