Magnetic unrest in England after arrival of a high-speed solar wind stream on Oct. 11th

In England, magnetic fields at ground level have been shaking back and forth in response to the high-speed solar wind stream on Oct. 11th.

Look at the geomagnetic storm in action:

magnetic unrest in England, magnetic unrest in England picture, magnetic unrest in England video
Magnetic fields at ground level have been shaking back and forth in response to the solar wind on October 11, 2017. via Spaceweather

The plot shows the change in magnetic flux density in nanotesla occurring between readings every few minutes.

It’s always impressive to see the impact of a geomagnetic storm on magnetometers. The chart clearly shows the arrival of a high-speed solar wind stream on Oct. 11th. Magnetic unrest intensified over the following 24hrs to create a G1-class geomagnetic storm.

More activity is expected as the storm is predicted to reach G2 in the coming hours.

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