NASA

geomagnetic storm solar flare

G4 – Severe geomagnetic storm : The Wrath of the Sun Threatens the Earth

June 1, 2025 — The heavens are ablaze with fury, and Earth stands in the crosshairs of a cosmic onslaught. The U.S. Space Weather Prediction Center (SWPC) has issued a dire G4 – Severe geomagnetic storm watch for June 2, 2025, following a violent eruption on the Sun’s surface—a long-duration M8.1 solar flare from Active Region 4100 that unleashed a colossal coronal mass ejection (CME) now barreling toward our planet.

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