=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 22-Feb-2012 A massive earthquake magnitude 9.0 occurred at 14.46 JST (05.46 UTC) on Friday 11th March 2011 with the epicentre approx. 70km east of the Oshika Peninsula of Tohoku. The earthquake triggered a tsunami with waves up to 40.5m high and travelling up to 10km inland.