The compasses are managed byOcean Networks Canada, a national ocean observatory hosted by the University of Victoria.
Then, I looked into whether it was a solar flare as the sun has been active recently.
Indeed, its easy to think about Earths magnetic field when looking up at a beautiful aurora.
Solar flares on the Sun’s surface on May 10 (left) and May 11 (right).Image:NASA/SDO
More:What Would Happen If a Massive Solar Storm Hit Earth?
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A graphic showing disturbed headings on Ocean Networks Canada compasses.Graphic:Ocean Networks Canada / University of Victoria
