Exactly speaking, it insists that Kunashiri and Etorofu are not included in the Kuril Islands which were placed out of the sovereignty of Japan by the San-Francisco Peace Treaty signed in 1951.
Secondly the Kuril Islands are geographically on the chain of volcanos from Kunashiri to Shumushu.
Kunashiri and Etorofu are excluded of the Kuril Islands abandoned by Japan in the Peace Treaty of San Francisco.
EST), was centered 37 miles underground, near the island of Kunashiri, about 590 miles north of Tokyo, the Meteorological Agency said.
The aftershock, about 500 miles north of the magnitude 6.8 tremor that struck rural Niigata prefecture on Oct. 23, was in an area not affected by the initial tremor.
Kunashiri is one of four islands north of Hokkaido controlled by Russia but claimed by Japan.