Order parameter fluctuations of seismicity and Tsallis entropic index q variation before large earthquakes in Japan
Panayiotis Varotsos, National and Kapodistrian University of Athens, Solid Earth Physics Institute, Athens, Greece, Nicholas V Sarlis, Solid Earth Physics Institute University of Athens, Department of Physics, National and Kapodistrian University of Athens, Athens, Greece, Efthimios S Skordas, National and Kapodistrian University of Athens, Department of Physics, Athens, Greece and Stavros-Richard G Christopoulos, Coventry University, Faculty of Engineering, Environment and Computing, Coventry, United Kingdom
