Earthquakes are not uncommon in Turkey and other regions of the world. But why? It's important to know that the Earth's crust is a kind of puzzle ― albeit a dynamic one that consists of many individual pieces: A few gigantic oceanic plates and several small continental crustal plates. The science is not conclusive on exactly how many.

Turkish aircraft fire has brought down a Russian Su-24 near the Turkish-Syrian border on November 24. It has generated a war of words between Russia and Turkey...