Posted on May 4, 2021 by Hokkaido NewsQuake info: Light mag. 4.3 earthquake – North Pacific Ocean, 70 km south of Kushiro, Hokkaido, Japan, on 5 May 7:28 am (GMT +9) – VolcanoDiscovery Quake info: Light mag. 4.3 earthquake – North Pacific Ocean, 70 km south of Kushiro, Hokkaido, Japan, on 5 May 7:28 am (GMT +9) VolcanoDiscovery