=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Nisinoomote         645/031 RLR(1972) is 7.9m below BM Nisinoomote
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Feb-2012
A massive earthquake magnitude 9.0 occurred at 14.46 JST (05.46 UTC) in Friday 11th March 2011 with the epicentre approx. 70 km east of the Oshika Peninsula of Tohoku. It was the most powerful Earthquake known to have hit Japan and triggered a tsunami with waves up to 40.5m travelling up to 10 km inland.