I just did a little search and came on this article but of course i do not see evidence there except pictures.

http://www.dailymail.co.uk/sciencetech/article-1385589/The-growing-gap-Eurasia-North-American-tectonic-plates.html

Swimming through an area of extreme natural beauty, this diver surveys the underwater canyons on his either side.

But this British scuba diver is actually between two tectonic plates.

Alex Mustard, 36, dived 80ft into the crevice between the North American and Eurasian plates near Iceland to capture these spectacular photos.

Read more: http://www.dailymail.co.uk/sciencetech/article-1385589/The-growing-gap-Eurasia-North-American-tectonic-plates.html#ixzz4tBM6phQv 
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I just have the 2.5cm number in my trivia info, that Europe and North America are  moving apart all the time, will have to look further to see how it is documented but satellites these days would be able to measure the movement.