Since the question of EMPs (‘electromagnetic pulse’ weapons) came up in class last week, I thought I would track down a bit of information about the potential threat of a North Korean nuclear weapon being used as an EMP device over the U.S.
The basics are fairly obvious: the idea here is that a powerful enough nuclear weapon detonated above the ground at the right place could produce electrical surges that would fry a lot of the electrical grid in the U.S., creating massive power outages.
There’s no question that would be a serious problem (look at what’s been going on in Florida this week!). However there is also an interesting twist in the news stories on this…somehow a thread of science fiction and survivalist reasoning has gotten requoted in mainstream news outlets to make it sound like 90% of the U.S. population could die in such a scenario. Which is ridiculous, both in the fact that it is a gross exaggeration of reality and in the fact that information from such suspect sources is ending up in ordinary news feeds. Very weird.
Here’s an example of an article claiming the 90% statistic: http://www.businessinsider.com/north-korean-emp-attack-the-dark-possibility-2017-7
Here’s an article debunking the whole 90% thing: http://www.popularmechanics.com/military/weapons/a25883/north-korea-cant-kill-ninety-percent-of-americans/
Meanwhile, and much more importantly, here is an article with a lot of helpful infographics that discusses North Korean nuclear capabilities: https://www.washingtonpost.com/graphics/world/north-korea-targets/
And here’s another one:
https://www.cfr.org/backgrounder/north-koreas-military-capabilities