Geomagnetism and Space Weather

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Realtime geoelectric maps during a magnetic storm can assist utility companies with their operations and can help power-grid managers to make decisions that may minimize the impact to their systems.

Strange things started happening on November 17, 1882, and no one knew quite what to make of it.

Research projects within the USGS Geomagnetism Program are targeted for societal relevance, especially for space-weather hazard science.

The text below was reproduced from the Coast and Geodetic Survey, Department of Commerce publication, September, 1959.