[From article]
A report from Lloyds emerging risk group has reviewed the evidence. They find that a Carrington-level geomagnetic storm is almost inevitable. There predict there will be one about every 150 years.
This poses a threat to regions dependent on electricity. Such storms could cause outages lasting from two weeks to two years. The main problem is the availability of spare transformers.
When hurricane Sandy hit New York in 2012, the main reason power could not be restored on lower Manhattan – despite the obvious wealth of the place – was that ordering replacement transformers takes months.
Sandy's worst effects were in a single location. In the case of a big storm, replacements would be needed in hundreds of locations at the same time. http://www.dailymail.co.uk/sciencetech/article-2721925/Blackouts-electrical-failure-travel-chaos-Electromagnetic-pulses-cost-trillions-affect-millions-scientist-warns.html
Blackouts, electrical failure and travel chaos: Electromagnetic pulses could cost trillions and affect millions, scientist warns
Claim by Oxford University's Dr Anders Sandberg in The Conversation
Solar storms and nuclear weapons can create electromagnetic pulses
Geomagnetic storms, for instance, can cause power outages lasting years
They destroy satellites, disrupt GPS and make parts of infrastructure fail
Just as worrying is use of electromagnetic pulses created by weapons
This is a real threat, discovered the hard way in 1962, when a Pacific nuclear test caused electrical damage 870 miles (1,400km) away in Hawaii
By ANDERS SANDBERG, THE CONVERSATION
Daily Mail (UK)
PUBLISHED: 09:35 EST, 11 August 2014 | UPDATED: 10:20 EST, 11 August 2014
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