Please note: In many cases, the station position in our database is accurate
to only one minute. Thus, the tide gauge may not appear to be on the coast.
Hachinohe II 642/002 RLR(1973) is 9.9m below Attached BM
Documentation added 1997-02-20
February 1997: Hachinohe II and former III combined on advice from authority
Documentation added 2002-03-26
Hachinohe II replaced I, and started operating 1st August 1970.
Documentation added 2002-03-26
New gauge installed 1st March 1983.
Documentation added 2012-02-22
A massive earthquake of magnitude 9.0 occurred at 14.46 JST (05.46 UTC) on Friday 11th March 2011 with the epicentre situated approx. 70km east of the Oshika Peninsula of Tohoku. It was the most powerful earthquake to ever hit Japan and triggered a tsunami with waves up to 40.5m high and travelling up to 10km inland.
Data Authority
Marine Department Japan Meteorological Agency Ote-machi, Chiyoda-ku Tokyo