Posted on June 1, 2021 by Hokkaido NewsQuake info: Moderate mag. 4.9 earthquake – North Pacific Ocean, 103 km south of Kushiro, Hokkaido, Japan, on Wednesday, 2 Jun 2021 6:54 am (GMT +9) – VolcanoDiscovery Quake info: Moderate mag. 4.9 earthquake – North Pacific Ocean, 103 km south of Kushiro, Hokkaido, Japan, on Wednesday, 2 Jun 2021 6:54 am (GMT +9) VolcanoDiscovery