National Geomagnetism Program

Short description: Program directed by the United States Geological Survey

The U.S. National Geomagnetism Program is a program directed by the USGS that monitors the Earth's magnetic field.[1]

## Contents

* 1 History
* 2 See also
* 3 References
* 4 External links

## History

* 1840–1845 Magnetic observatories at Harvard and Girard College
* 1860 Coast Survey begins regular magnetic observations at Maine's Fort Sullivan, Tift's Observatory in Florida and others
* 1882–1883 First International Polar Year
* 1901–1956 United States Coast and Geodetic Survey operates Cheltenham Magnetic Observatory in Maryland
* 1905–1918 USC&GS Explorer performs magnetic surveys
* 1909 Carnegie wooden survey ship built for Carnegie Institution for Science begins seven cruises to measure the Earth's magnetic field
* 1932–1933 Second International Polar Year
* 1956 Fredericksburg Magnetic Observatory in Virginia replaces Cheltenham[2]
* 1957–1958 International Geophysical Year
* 1961 Boulder Geomagnetic Observatory, Colorado
* 1973 NOAA/USC&GS geomagnetism program transferred to the USGS
* 1979–1980 Magsat satellite survey from orbit
* 1994 U.S. National Space Weather Program (NSWP), an interagency collaboration[3]

## See also

History of geomagnetism

## References

1. ↑ USGS Geomagnetism Program FDSN
2. ↑ Nelson, James H. (1962) Magnetism of the Earth C&GS Pub 40-1 p38
3. ↑ Love, Jeffrey J. & Finn, Carol A. (2011) The USGS Geomagnetism Program and Its Role in Space Weather Monitoring AGU Space Weather Volume 9, Issue 7

## External links

* Official site

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