I think that's because people emit all the time, without quite realizing that, "magnetic waves" and emotions are the way we "observe" these waves. The strength of these waves is remarkable that even in my deep suburbia I can feel them. It seems the nation is rapidly finding its resonance mode.
>>sdhrnr+(OP)
No, that's silly. If I had managed to spend the last week without knowing anything about the news, I wouldn't have felt any of this. It's just a natural reaction to troubling events, no need to add magic to it.