Episode 179 - What Caused the 3/11 Earthquake?

Japan is just tallying up the damage from the devestating earthquake that struck off the northeast coast on March 11th, but it is clear that this was one of the most powerful earthquakes in modern Japanese history. Now, some are asking whether this was a natural earthquake or if it was precipitated by human activities. Join us this week as we go in search of a man-made fingerprint on the 3/11 earthquake.