Anomalous decrease of relatively large shocks and increase of the p and b values preceding the April 16, 2016 M7.3 earthquake in Kumamoto, Japan

K. Z. Nanjo, A. Yoshida

The 2016 Kumamoto earthquakes started with a magnitude (M) 6.5 quake on Apr 14 on the Hinagu fault zone (FZ), followed by active seismicity including an M6.4 quake. Eventually, an…