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 : Matsuyama II 644/032 RLR(1972) is 9.7m below Attached BM =========================== BENCHMARK INFORMATION UPDATE ADDED 12-JUL-93 : Matsuyama II 644/032 RLR(1972) is 9.7m below Attached BM =========================== 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. 70km east of the Oshika Peninsula of Tohoku. It was the most powerful known earthquake to hit Japan and triggered an tsunami with waves up to 40.5m and travelling up to 10 km inland.
Marine Department Japan Meteorological Agency Ote-machi, Chiyoda-ku Tokyo JAPAN