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Ever look at global #earthquakes from the top down? The #NorthAmericanPlate and #EurasianPlate seem simple around the Atlantic - they're pulling apart - but if you follow that boundary across the pole to Russia, it gets weird and diffuse. 🧵1/4
#tectoplot
#tectoplot
#Iceland provides a remarkable view of the plate boundary. Here, the plates are pulling apart over a #hotspot, so the spreading center is on land instead of at the bottom of the sea.
And just look at the result! Pictured here: #LakeThingvallavatn. 2/4
nationalgeographic.org/encyclopedia/r…
And just look at the result! Pictured here: #LakeThingvallavatn. 2/4
nationalgeographic.org/encyclopedia/r…
But follow that plate boundary past the pole and under the ice, and you find yourself in Russia. Suddenly the #earthquakes are scattered and the plate boundaries poorly defined.
There's actually a whole extra baby plate here - the #OkhotskPlate. 3/4
washington.edu/news/2006/05/0…
There's actually a whole extra baby plate here - the #OkhotskPlate. 3/4
washington.edu/news/2006/05/0…
