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Astrophotographer Egon Filter captured the faint purple-red glow from Cambará do Sul, in Brazil's Rio Grande do Sul state, during the peak of the geomagnetic storm.—Daisy Dobrijevic, Space.com, 4 Feb. 2026 These CMEs could cause minor G1 to G2 geomagnetic storms, creating a chance to see the northern lights on Thursday, February 5.—Michele Laufik, Martha Stewart, 4 Feb. 2026 The space weather center issued a G1 geomagnetic storm watch for a heightened risk of minor disturbances to Earth's magnetic field from the portion of the field that may reach the Earth.—Dinah Voyles Pulver, USA Today, 3 Feb. 2026 The sun has continued to emit strong solar flares and geomagnetic storms ever since, leading to an increase in frequency of northern lights.—Julia Jacobo, ABC News, 3 Feb. 2026 See All Example Sentences for geomagnetic storm