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Fact Sheet 2007–3092

Monitoring the Earth’s Dynamic Magnetic Field

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Fact Sheet 2007-3092
PDF (4.5 MB)

The mission of the U.S. Geological Survey's Geomagnetism Program is to monitor the Earth's magnetic field. Using ground-based observatories, the Program provides continuous records of magnetic field variations covering long timescales; disseminates magnetic data to various governmental, academic, and private institutions; and conducts research into the nature of geomagnetic variations for purposes of scientific understanding and hazard mitigation. The program is an integral part of the U.S. Government's National Space Weather Program (NSWP), which also includes programs in the National Aeronautics and Space Administration (NASA), the Department of Defense (DOD), the National Oceanic and Atmospheric Administration (NOAA), and the National Science Foundation (NSF). The NSWP works to provide timely, accurate, and reliable space weather warnings, observations, specifications, and forecasts, and its work is important for the U.S. economy and national security.

Please visit the National Geomagnetism Program’s website, http://geomag.usgs.gov, where you can learn more about the Program and the science of geomagnetism. You can find additional related information at the Intermagnet website, http://www.intermagnet.org.

Version 1.0

Posted February 2008


Suggested citation:

Love, J.J., Applegate, D., and Townshend, J.B., 2008, Monitoring the Earth's dynamic magnetic field: U.S. Geological Survey Fact Sheet 2007–3092, 2 p.



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