Such movements of the needle are commonly seen when there is a brilliant aurora.

When I first went to Brighton there was one evening a brilliant aurora borealis.

The brilliant aurora from the event code-named CALAMITY lingered for a while, then faded into the warm tropical dawn.

The night was cold and moonless, but a brilliant aurora flashed and trembled in many-coloured shafts across the starry sky.

Overhead the brilliant aurora of the Far North palpitated in a silence that seemed uncanny when coupled with such intensity of movement.

Through a vast portal, which was closed with a barred gateway, the beams of the brilliant aurora penetrated and disclosed something of the interior.

For a few minutes I lay awake to admire a brilliant Aurora Borealis shooting out its streams of electric light.