Tectonic plates at the end of the world

As we have headed south, we have gotten closer to active plate boundaries - closer to the convergent plate boundary (subduction zone) along the western coast of Chile and closer to Argentina's only plate boundary - the transform boundary between the South American plate and the Scotia plate. Below is a map of the plates in this region. You may...
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Ushuaia – el fin del mundo (the end of the world)

Ushuaia is the southernmost city in the world, at 50 degrees south latitude. True, there is the small town of Puerto Williams that is slightly more south, on the south shore of the Beagle Channel, and there is a small scientific settlement (McMurdo Station) in Antarctica, but Ushuaia is a bustling city of about 70,000 people that takes full advantage...
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About the Blogger

Karen (here with Mt. Shasta in background) is a geology professor emerita who aims to provide a "pocket geologist" for world travelers. Follow the blog to explore the landscapes of our planet and figure out what causes them to look the way they do.

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