Which infrastructure system is most susceptible to geomagnetically induced currents?
Answer
Power grids
Power grids are inherently vulnerable to the electromagnetic surges caused by space weather. When geomagnetic storms disturb the Earth's magnetic field, they can induce currents in long-distance electrical lines. These geomagnetically induced currents can overwhelm transformers, potentially leading to equipment failure, voltage instability, and widespread electrical blackouts across large regions.

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