The Fifth Season by N.K. Jemisin (pt1), Ep. 55
The Earth breaks frequently, and with devastating effect. Earthquakes, volcano eruptions and tsunamis all conspire to erase any trace of human society, and, incidentally, the species itself. The skeletons of forgotten civilizations (“deadciv” ruins) that litter the landscape are a testament to the endless war the Earth wages on us. Thus the scene is set for the Fifth Season, named so for the cataclysmic events in the book.