EQECAT seismic and engineering experts discuss the recent M9 Tohoku Pacific Offshore earthquake that has impacted northern Honshu island. Occurring Friday March 11 (local time), this massive earthquake occurred on the Japan Trench megathrust fault, triggering ground motions felt through most of Honshu Island and up to Hokkaido and a tsunami with waves up to 23 feet high in places along the Japanese coast, and tsunami damages that extended to Hawaii and the US mainland Pacific coast.