=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Feb-2001
Tokyo III           642/069 RLR(1993) is 10.0m below Attached BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Mar-2002
Tokyo III replaced Tokyo II April 1982.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Nov-2003
Datum 1996 is 1.852m below Tokyo Peil. Datum 1999 is 1.853m below Tokyo Peil. Datum 2001 is 1.854m below Tokyo Peil.
=========================== 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 ever to hit Japan and triggered a tsunami with waves of up to 40.5m travelling inland up to 10km.