Seismic Activity offshore Sanriku beginning on February 17 (3)



(5) Tsunami
After the earthquake (M6.9) occurring on February 17 at 08:06 (JST), Japan Meteorological Agency announced "Tsunami Advisory" for the coast of Iwate prefecture at 08:09 (canceled on the same day at 10:20). Also it announced "Tsunami Forecast" of slight sea-level change (below 20 cm) for eastern Pacific coast of Hokkaido, central Pacific coast of Hokkaido, western Pacific coast of Hokkaido, Pacific coast of Aomori prefecture, Miyagi prefecture, Fukushima prefecture, and Ibaraki prefecture.
In addition to tsunami with height of 27 cm at Kuji Port, Iwate prefecture, slight tsunami was observed along the Pacific coast from Hokkaido to Iwate prefecture.


Japan Meteorological Agency
[Evaluation of Seismic Activities for February 2015 (March 10, 2015)]