Posted on October 6, 2021 by Hokkaido NewsQuake info: Light mag. 4.1 earthquake – North Pacific Ocean, 72 km south of Shikotan, Sakhalin Oblast, Russia, on Wednesday, Oct 6, 2021 12:55 pm (GMT +10) – 1 user experience report – VolcanoDiscovery Quake info: Light mag. 4.1 earthquake – North Pacific Ocean, 72 km south of Shikotan, Sakhalin Oblast, Russia, on Wednesday, Oct 6, 2021 12:55 pm (GMT +10) – 1 user experience report VolcanoDiscovery