North America Shrinks!
http://www.newscientist.com/channel/earth/mg19025505.300.html
It seems that the North American plate is smaller than was believed. It turns out that Kamchatka is moving east about 20 mm per annum, indicating that it is on a separate plate, the Okhotsk plate.
It seems that the North American plate is smaller than was believed. It turns out that Kamchatka is moving east about 20 mm per annum, indicating that it is on a separate plate, the Okhotsk plate.