Earth quakes easyally
this is because they placed there self's in an amazingly siesmick location example (they had an earthquake that reached and 8.7 in the Richter scale in its early life of a country).
Answer:
I like Sci-Fi. It's great how creative authors can get while writing them. I've read books like Last Day On Mars and Hungar Game, Divergent and a few other similar series. It's crazy to imagine what like could be like if you were in these books.