Station Information

Station ID: 1544
Latitude: 35.744444
Longitude: 140.858333
Coastline code: 642
Station code: 50
Country: JAPAN
Time span of data: 1982 – 2019
Completeness (%): 97
Date of last update: 12 Aug 2020

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.

Station Documentation

Link to RLR information.

Documentation added 2001-02-23

Choshi Gyoko 642/050 RLR(1987) is 10.4m 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 strike Japan triggering a tsunami with wavwes up to 40.5m high and travelling inland up to 10km.

Data Authority

Japan Meteorological Agency
3-6-9 Toranomon, Minato City