Posted on April 1, 2021 by Hokkaido NewsQuake info: Light mag. 4.1 earthquake – Sea of Okhotsk, 132 km east of Wakkanai, Hokkaido, Japan, on Thursday, 1 Apr 2021 1:17 pm (GMT +10) – VolcanoDiscovery Quake info: Light mag. 4.1 earthquake – Sea of Okhotsk, 132 km east of Wakkanai, Hokkaido, Japan, on Thursday, 1 Apr 2021 1:17 pm (GMT +10) VolcanoDiscovery