Okay, there have been a lot of earthquakes recently: a small on in Chicago, the one in Haiti, one in Chile, one in Mexico and one near Tibet, and now there’s volcanic activity in Iceland, which is basically a little chunk of land on a fault line. All of the earthquakes except for the 2.5 one in
Chicago have been above 7.0 in magnitude. Does this mean something’s going on with the earth’s crust?

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