=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Mar-2002 Toba II replaced Toba (642/134) 1977. =========================== 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 situated approx. 70km east of the Oshika Peninsula of Tohoku. It was the largest earthquake to ever strike Japan and triggered a tsunami with waves of up to 40.5m high travelling up to 10km inland.