Growing Threat – Extreme Space Weather

Extreme space weather hazardous to U.S. economy, national security

While major geomagnetic storms are rare, with only a few recorded per century, there is significant potential for large-scale impacts when they do occur. Extreme space weather can be viewed as hazards for the economy and national security. A rare but powerful magnetic superstorm could cause continent-wide loss of electricity and substantial damage to power-grid infrastructure that could persist for months and cost the Nation in excess of $1 trillion.

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