NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.
Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 : Hirosima 643/044 RLR(1976) is 10.0m below BM Hirosima =========================== BENCHMARK INFORMATION UPDATE ADDED 12-JUL-93 : Hirosima 643/044 RLR(1976) is 10.0m below BM Hirosima =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Feb-2011 : Buddy checked with Kure IV. Profile features compare. =========================== 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 an epicentre approx. 70km 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.
Japan Oceanographic Data Centre Hydrographic Department, Maritime Safety Agency MLIT Aomi Building 2-5-18, Aomi, Koto-ku Tokyo 135-0064 JAPAN