Posted on September 21, 2021 by Hokkaido NewsQuake info: Light mag. 4.1 earthquake – Sea of Okhotsk, 81 km northeast of Wakkanai, Hokkaido, Japan, on Wednesday, Sep 22, 2021 3:24 am (GMT +11) – VolcanoDiscovery Quake info: Light mag. 4.1 earthquake – Sea of Okhotsk, 81 km northeast of Wakkanai, Hokkaido, Japan, on Wednesday, Sep 22, 2021 3:24 am (GMT +11) VolcanoDiscovery