There is no information about casualties or destruction.
Press-service of EMERCOM of Russia for Sakhalin Region reports about underground tremors with magnitude 5.4 registered near Kuril Ridge on July 30 at 03:49 Sakhalin time (19:49 Moscow time on July 29)
According to the ministry, the epicenter of the earthquake was located 190 kilometers to the south-east of Iturup Island. Focal depth was 49 kilometers.
No underground shocks have been felt in the nearest settlements. There is no information about victims and damage. No tsunami threat was announced.