Link to RLR information.
=========================== BENCHMARK INFORMATION UPDATE ADDED 12-JUL-93 : Uragami 642/138 RLR(1968) is 10.7m below Attached BM =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-JUL-94 : See comments on sea level variability given for Maisaka (642/126). =========================== 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 epicentre approx. 70 km east of the Oshika Peninsula of Tohoku. It was the most powerful known earthquake to hit Japan triggering a tsunami with waves up to 40.5m and travelling up to 10 km inland.
This station was previously flagged - see comments above. However the overall profile looks reasonable so the station flag has now been removed.
Where there is more than 1 benchmark with the same name a suffix has been added
Marine Department Japan Meteorological Agency Ote-machi, Chiyoda-ku Tokyo JAPAN