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 : Sumoto 643/026 RLR(1976) is 14.6m below Attached BM (i) Where two benchmarks have the same name the later one is suffixed. =========================== 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. 70 km east of the Oshika Peninsular . It was the most powerful earthquake to have hit Japan triggering 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 JAPAN