Subregions- eastern Honshu, Japan
 - eastern Sea of Japan
 - east of the Kuril Islands
 - Hokkaido, Japan region
 - Kamchatka Peninsula, Russia
 - Kuril Islands
 - near the east coast of Honshu, Japan
 - near the east coast of the Kamchatka Peninsula, Russia
 - near the south coast of Honshu, Japan
 - near the west coast of Honshu, Japan
 - northwest of the Kuril Islands
 - off the coast of Hokkaido, Japan
 - off the east coast of Honshu, Japan
 - off the east coast of the Kamchatka Peninsula, Russia

| |