Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
National Geomagnetism Program
open-in-new
<p>The U.S. National Geomagnetism Program is a program directed by the <a href="/facts/USGS/nVaGtMjl">USGS</a> that monitors the <a href="/facts/Earth%27s_magnetic_field/73G36wmx">Earth's magnetic field</a>. </p>