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Come work with us!

Compasses to point true north

Schumann Resonances

Come work with us!

We have TWO vacancies within the Geomagnetism Team. We are looking to recruit a Geomagnetic Instrumentation Engineer and a Geomagnetic Electronics Engineer (apply by 10th January 2020).

Compasses to point true north for first time in 360 years

Compasses at Greenwich will point to true north for the first time in 360 years at some point within the next two weeks. Read more about this on our recent blog post.

Is the Madden-Julian Oscillation reliably detectable in Schumann Resonances?

In a new paper published, we investigated the variation of the recorded Schumann Resonances to see if we could detect the subtle changes due to the atmospheric phenonmenon known as the Madden-Julian Oscillation using six years of induction coil data from Eskdalemuir Observatory.

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About BGS Geomagnetism

The Geomagnetism team measures, records, models and interprets variations in the Earth’s natural magnetic fields.

Our data and expertise help to develop scientific understanding of change in the Earth and the environment, from deep within the core out into space.

We also provide geomagnetic products and services to industry and to academic colleagues and we use our knowledge for information and education.

Video introduction


Modelling the Earth's magnetic field, space weather hazards.


About our magnetic observatory operations, UK surveying, equipment.

Data and Services

Observatory data, indices, models, charts, applications.


Overviews of the Earth's magnetic field, reversals, magnetic poles.

Global activity now!

Find out what the current global geomagnetic activity level is.