Recent Examples of geomagnetic storm from the Web
Though the aurora borealis phenomenon usually doesn't occur outside the winter season, this isn't the first G3 geomagnetic storm to occur over the past few months.
The industry has also studied analogous space-weather effects on power systems, such as a geomagnetic storm in 1989 that knocked out power in Quebec.
The Earth's magnetic field usually guides them toward the North and South Poles, but a recent geomagnetic storm will trigger a much wider display than normal.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geomagnetic storm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of geomagnetic storm
Learn More about geomagnetic storm
Britannica.com: Encyclopedia article about geomagnetic storm
Seen and Heard
What made you want to look up geomagnetic storm? Please tell us where you read or heard it (including the quote, if possible).