=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Wajima 647/071 RLR(1974) is 10.3m below BM F 17 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Nov-2006 Large spike in the dataset Nov. 2000 - data flagged. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 22-Feb-2011 Sea level profile compares well with that for Mikuni. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Feb-2012 A massive earthquake magnitude 9.0 occurred at 14:46 JST (05:46 UTC) on Friday 11th March 2011 with the epicenter approx. 70km east of the Oshika Peninsula Tohoku. It was the most powerful known earthquake tp hit Japan.The earthquake triggered tsunami waves of up to 40.5m travelling up to 10km inland. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Mar-2014 The GPS benchmark information has been downloaded from the SONEL website. GPS benchmark P111 is 13.494m above RLR.