IF A EMP HITS POWER WOULD BE OUT IN GIANT WAVES ,MSYBE A WHOLE STATE OR TWO BUT THAT'S A GRID DOWN EFFECT UNKOWN MAYBE 5 MILLION WITH OUT POWER WOULD EFFECT BILLIONS BUT THE MESSAGE IS DO RESEARCH YOU DON'T NEED TO HEAR YOU DON'T HAVE A BUNKER AND ARE CANNON FODDER TO THE ELITE,THE POWER GOES OUT EFFECT MILLIONS BUT NOTHING MORE IMPORTANT THAT SURVIVING JUST BASIC EMP INFO IS OUT THERE ,BUT REMEMBER WRITE DOWN ,BUY BOOKS UNLESS IT'S IN EMP PROOF BAG NO ELECTRONIC WILL WORK