Posted on April 30, 2021 by Hokkaido NewsQuake info: Light mag. 4.0 earthquake – North Pacific Ocean, 286 km south of Kushiro, Hokkaido, Japan, on May 01, 2021 08:10:42.99 – VolcanoDiscovery Quake info: Light mag. 4.0 earthquake – North Pacific Ocean, 286 km south of Kushiro, Hokkaido, Japan, on May 01, 2021 08:10:42.99 VolcanoDiscovery