=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Wakayama            643/015 RLR(1976) is 8.8m below Attached BM
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Wakayama            643/015 RLR(1976) is 8.8m below Attached BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2002Mar26 :
Wakayama replaced by new gauge on same site July 1980.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2003Nov20 :
Datum 1996 is 1.037m below Tokyo Peil.
Datum 1998 is 1.042m below Tokyo Peil.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Feb-2011 :   
Sea level profile compares well with that for Kainan.
=========================== 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 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 10km inland.

