Geomagnetism

As part of the regular update cycle of the World Magnetic Model, NCEI has released the WMM2020 in collaboration with the British Geological Survey.

Our High Definition Geomagnetic Model (HDGM) provides a clearer picture of Earth’s magnetic field.

Due to changes in Earth’s magnetic field, NCEI has released an out-of-cycle World Magnetic Model to ensure safe navigation.

A new citizen science study identifies sounds of solar storms in audio of NOAA satellite data, an approach that could advance discovery.

Go inside NCEI to see how Brian Meyer, with the Cooperative Institute for Research in Environmental Sciences, became a trackline data manager and why his work is so important.

Our Historical Magnetic Declination Map Viewer shows changes in Earth’s magnetic field and geomagnetic poles from 1590 to 2020.

Many factors influence the odds of viewing an aurora. Learn how to improve your chances of seeing one yourself.

Earth’s shifting magnetic field affects airports and airline operations, including runway names. NCEI’s World Magnetic Model is a guide.

A radio blackout coincided with Hurricane Irma as it passed through the Caribbean.

Total solar eclipse offers NOAA, CIRES researchers in NCEI rare opportunity to study Earth’s upper atmosphere under controlled conditions.