Geophysical doomsday events are an all-time fan favourite; anyone remember the prophecies associated with 2012? So, the Mayans were limited in counting. But, still:
http://www.dailymail.co.uk/sciencetech/article-5099551/Swarms-big-earthquakes-set-devastate-Earth-2018.html
It seems that the Earth’s rotation is slowing down a bit, and that will release energy leading to earthquakes, mainly in the tropics. Whew, that was a close one; go back to sleep now Brian: