Tokyo expressed the Russian idea due to carry out geological exploration in the sea of Okhotsk, including in the area of such Islands of Kunashir, Shikotan, Iturup and Habomai. About it reports RIA "news" with reference to the General Secretary of the government of Japan of Yoshihide Sougou.

According to him, the submission was made on 17 June due to the fact that this exploration is not the same as the Japanese position on the four Northern Islands.

"a solution to the issue of Northern territories is very important, the government remains committed to continue negotiations with Russia on the basis of basic positions regarding the solution of the territorial problem and conclude a peace Treaty", – said Suga.

It is noted that work is underway in the sea of Okhotsk between Sakhalin, Kamchatka and the Kuril Islands.

Earlier, Moscow said Japan on them. The work will last for three months.