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Geomagnetic alert - Update

Grid Magnetic Angle calculator

Viewing the Northern Lights

Carrington Storm magnetograms

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Space Weather alert - Update - 7th April

Find out what happened after the coronal mass ejections expected on 4-5th April arrived.

You can also read our space weather alert from 4th April here.

Grid Magnetic Angle calculator

Something interesting is happening to the magnetic field in Great Britain this year. Find out what!

Try out our grid magnetic angle calculator to correct between magnetic bearings and map bearings.

Viewing the Northern Lights

Read our guide on how to see the Northern Lights from the UK.

Carrington storm magnetograms

The 'Carrington storm' Greenwich Observatory magnetograms will feature on BBC Stargazing - Back to Earth. You can see the complete storm or search our catalogue of over 250,000 other magnetograms.

Sign-up for geomagnetic disturbance alerts

When we predict an increase in magnetic activity we send out a geomagnetic disturbance alert.
Notice of a potential magnetic storm increases your chance of seeing the Northern Lights!

Sign up for alerts by email or Twitter.

Latest News


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.


Research

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

Operations

About our magnetic observatory operations, UK surveying, equipment.

Data and Services

Observatory data, indices, models, charts, applications.

Education

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

Global activity now!

Find out what the current global geomagnetic activity level is.