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How about the effect on all the satellites? I think th Carrington event size one would be catastrophic in the modern day. Imagine large urban areas going losing power for days or weeks. No electricity and no running water. Pretty scary stuff.

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The loss of satellites does not imply power outages and it especially does not imply no running water.

I'm not saying it wouldn't be disruptive, but people seem to have a fetish for disaster. Society is resilient, and life would return to near-normal within weeks, if not days, I predict.

I never implied that the loss of satellite = loss of power and water. I'm just saying that even a smaller solar flare (Compared to the Carrington event) cause large disturbances. Look at the 1989 that left Quebec and millions without power for 9 hours. Now imagine an entire country/continent losing power almost simultaneously.

If the grid goes down nationwide for any length of time it's worse than any event in the last two hundred years. Spent nuclear fuel pool failure is one thing to consider.

Not directly, no. But the water plants do require electricity to pump/filter/sanitize water to fill their reservoirs. A prolonged outage will cause the clean-water reservoirs to drain empty.

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