The boundary between Okhotsk Plate and Pacific Plate is a subduction zone , where the Pacific Plate subducts beneath the Okhotsk Plate . Many strong megathrust earthquakes occurred here , some of them among the largest on world record , including the Kamchatka earthquakes of 1737 ( estimated M9 .0 ~ 9.3 ) and 1952 ( M9 .0 ) . Such strong megathrust earthquakes can also occur near the Kuril Islands , as the M8 .3 earthquake of November 15 , 2006 , Hokkaido , as the M8 .3 earthquake of September 26 , 2003 and the M9 .0 2011 Tōhoku earthquake off the coast of Honshu
2011 Tōhoku earthquake
2011 Tōhoku earthquake and tsunami
Okhotsk Plate