Data



Data Notes



Extracted from Database

11 Mar 2019

TOKUYAMA II

Station Information

Station ID: 1210
Latitude: 34.040833
Longitude: 131.802778
Coastline code: 643
Station code: 52
Country: JAPAN
Time span of data: 1968 – 2018
Completeness (%): 100
Date of last update: 12 Feb 2019

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

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.

Tide Gauge Data

Plot of monthly mean sea level data at TOKUYAMA II.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at TOKUYAMA II.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Tokuyama II 643/052 RLR(1971) is 9.9m below BM Tokuyama

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 approx. 70km east of the Oshika Peninsula of Tohoku. It was the most powerful earthquake ever to hit Japan triggering a tsunami with waves up to 40.5m high and travelling up to 10km inland.

Documentation added 2013-02-25

Previously the RLRFAC for the period 1986-1989 had been left as 4.335m. The RLRFAC for 1986-1989 has now been adjusted to 4.332m.

Data Authority

Japan Oceanographic Data Centre
Hydrographic Department, Maritime Safety Agency
MLIT Aomi Building
2-5-18, Aomi, Koto-ku
Tokyo 135-0064