Saigo 647/043 RLR(1976) is 8.5m below Attached BM 2063
Documentation added 2003-11-20
Datum 1999 is 1.066m below Tokyo Peil.
Documentation added 2012-02-21
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 earthquake known to hit Japan and triggered a tsunami with waves up to 40.5m and travelling up to 10 km inland.
Marine Department Japan Meteorological Agency Ote-machi, Chiyoda-ku Tokyo