[alancarp]

Then we have a difference of opinion on ‘routine’: according to the chart linked at post 15 above, this magnitude occurs several times per solar cycle (11-ish years). Even accepting your ‘over 12 years’ figure, that’s still roughly once per solar cycle. And even t that, it’s not a Babylon-desolation-like event.

S5 level? Then yeah, I’d be a lot more concerned. S3 is stout, but it’s not gonna invoke Revelations 18.

[Yosemitest]

You don't know just how patch-worked our electrical grid is, right now, do you?

Blackout: The Power Outage That Left 50 Million Without Electricity ( 9:23 )
Nov 11, 2013
Retro Report: In 2003, a blackout crippled areas of the U.S. and Canada, leaving some 50 million people in the dark.
Ten years later, we are still grappling with concerns over the vulnerability of the power grid.

Read the story here: The Blackout That Exposed the Flaws in the Grid