
I have written about earthquakes a couple of times before, and back in 2010, when there was that big earthquake in Haiti, I wrote a really brilliant blog entry about what makes earthquakes happen. You probably remember from your reading that there are these things in the earth's crust called tectonic plates, and the plates are all the time rubbing against each other and making rumbly, shaky stuff happen up on the surface, where we live. But...