I apologise if this has already been brought up. It's fairly recent.
I heard of something called Harmonic Tremors is the reason. (eartquakes in the upper level of the atmosphere).
When have harmonic tremors been reported in the recent past? Why did the media report on this, if harmonic tremors happen all the time? That's my biggest problem with this issue.
My first guess would be that the media like to use the Apocalypse News Stories when their ratings go down, but I dunno what makes me think there is something more to this story?
Or, HAARP? Though I haven't researched the nuts and bolts of HAARP.
I provided this link because it made national headlines. I have saw the doctored videos about this out there on the net, they are too many to count, I'm sure