New Electrical Pathways Map Reveals Power Grid Risks in the U.S.
New Electrical Pathways Map Reveals Power Grid Risks in the U.S.
US · Published May 4, 2026
• Scientists have completed a comprehensive survey of the electrical properties beneath the United States, revealing hidden pathways that could influence the impact of solar storms on the power grid.
• Over 18 years, data was collected from more than 1,800 magnetotelluric stations across the country, resulting in a three-dimensional map of underground electrical currents.
• This map, developed by the United States Magnetotelluric Array (USMTArray), shows how electricity flows through rocks, fluids, and geological formations.

Why It's Important?

Over 18 years, data was collected from more than 1,800 magnetotelluric stations across the country, resulting in a three-dimensional map of underground electrical currents. This map, developed by the United States Magnetotelluric Array (USMTArray), shows how electricity flows through rocks, fluids, and geological formations.

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