Station Information

Station ID: 1090
Latitude: 33.558333
Longitude: 135.896389
Coastline code: 642
Station code: 138
Country: JAPAN
Time span of data: 1965 – 2023
Completeness (%): 96
Date of last update: 04 Mar 2024

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.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: SMST

Station Documentation

Link to RLR information.

Documentation added 1993-07-12

Uragami 642/138 RLR(1968) is 10.7m below Attached BM

Documentation added 1994-07-15

See comments on sea level variability given for Maisaka (642/126).

Documentation added 2012-02-21

A massive earthquake magnitude 9.0 occurred at 14.46 JST ( 05.46 UTC) on Friday
11th March 2011 with the epicentre approx. 70 km east of the Oshika Peninsula
of Tohoku. It was the most powerful known earthquake to hit Japan triggering a
tsunami with waves up to 40.5m and travelling up to 10 km inland.

This station was previously flagged - see comments above. However the overall
profile looks reasonable so the station flag has now been removed.

Where there is more than 1 benchmark with the same name a suffix has been added

Data Authority

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