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 2001Feb23 : Shimonosehi III 647/010 RLR(1994) is 10.7m below Attached BM =========================== 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. 70 km east of the Oshika Peninsula of Tohoku. It was the most powerful ever earth quake to hit Japan and triggered a tsunami with waves of up to 40.5m travelling up to 10km inland.
Marine Department Japan Meteorological Agency Ote-machi, Chiyoda-ku Tokyo JAPAN