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.
Nearby GNSS Stations from SONEL: P209
Nearby Real Time Stations from VLIZ: hmda
Fast Delivery Data from UHSLC station 348: hourly and daily
Research Quality Data from UHSLC station 348: hourly and daily
Hamada II 647/023 RLR(1993) is 9.7m below Attached BM
Documentation added 2012-02-22
A massive earthquake 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 largest earthquake ever to hit Japan triggering a tsunami with waves up to 40.5m high and travelling up to 10 km inland.
Data Authority
Marine Department Japan Meteorological Agency Ote-machi, Chiyoda-ku Tokyo