A tsunami threat has been declared on the Kuril Islands. This is reported RIA News with reference to a source in emergency services.
From the warning announced by the Sakhalin Territorial Administration for Hydrometeorology and Environmental Monitoring, it follows that there is a possibility that tsunami waves will approach the Kuriles. If this happens, their height may be 0.2 meters.
The cause of the tsunami is the eruption of an underwater volcano on an island in the state of Tonga (Polynesia).
The tsunami is reported collapsed to the coastal regions of Japan.