Eurasia

Where does Europe stop and Asia begin? Apparently this is a never-ending controversy for geographers, politicians and others.

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One popular definition for Asia asserts:

The continent of the eastern hemisphere north of the equator forming a single landmass with Europe (the conventional dividing line between Asia and Europe being the Ural Mountains and the main range of the Caucasus Mountains); has numerous large offshore islands including Cyprus, Sri Lanka, Malay Archipelago, Taiwan, the Japanese chain, and Sakhalin. Total area is 17,139,445 square miles.

Of course this begs the question of which continent places like Turkey, aka Asia Minor, Israel and Saudi Arabia can call their own. (By the way the same source defines Asia Minor as the "western extremity of Asia".)

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A couple of centuries ago, those who liked to study the earth, including earthquakes and volcanoes, started to notice the frequent proximity of the two types of events. They started to connect the dots between eruptions and temblors and soon found they resolved down to not very many roughly-defined lines. These lines as it turned out were not happenstance, but actually the borders between continents. And shockingly enough to tiny humans crawling about this big earth, these continents are hardly the stable platforms they seemed to be. They are not locked down at all, but instead float on incredibly hot magma, driven here and there by varying amounts of heat and frequently run into one another, often the cause of the earthquakes. They also can have holes. Such a hole has created the Hawai'ian island chain as the Pacific plate slides by.

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Admittedly Europe is an idea as much as a region, but why isn't there more recognition of the true nature of continents? Geographers don't know this level of detail and geologists don't care about this level of abstraction?
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