G1 – Minor Geomagnetic Storm Alert issued on June 5, 2026
A G1 – Minor Geomagnetic Storm Alert was issued on June 5, 2026, valid for the synoptic period from 18:00 UTC to 21:00 UTC.
G2 – Moderate Geomagnetic Storm Watch issued for June 6, 2026
A G2 – Moderate Geomagnetic Storm Watch is in effect for June 6, 2026. The Watch was issued on June 5, 2026 at 18:52 UTC.
G2 – Moderate Geomagnetic Storm Alert issued on June 5, 2026
A G2 – Moderate Geomagnetic Storm Alert was issued at 16:39 UTC on June 5, 2026. The K-index threshold of 6 was reached at 16:38 UTC.
G1 – Minor Geomagnetic Storm Alert issued on June 5, 2026
A G1 – Minor Geomagnetic Storm Alert was issued on June 5, 2026. The alert is valid from 15:00 UTC to 18:00 UTC.
G1 – Minor Geomagnetic Storm Alert issued on June 5, 2026
A G1 – Minor Geomagnetic Storm Alert was issued on June 5, 2026 after the K-index reached 5. The Alert is valid from 12:00 to 15:00 UTC.
ALERT: Geomagnetic K-index of 4 Alert issued on June 5
A Geomagnetic K-index of 4 Alert was issued on June 5, 2026. The alert is valid from 12:00 to 15:00 UTC.
G3 – Strong Geomagnetic Storm Watch issued for June 4 and 5, 2026
A G3 – Strong Geomagnetic Storm Watch is in effect for June 4–5, 2026. Highest storm levels are predicted for both days.
Major X1.0 solar flare erupts at 11:28 UTC on June 3, 2026
A major X1.0 solar flare erupted at 11:28 UTC on June 3, 2026.
Strong M7.7 solar flare erupts at 07:00 UTC on June 3, 2026
A strong M7.7 solar flare erupted at 07:00 UTC on June 3, 2026.
Shallow M5.7 earthquake hits offshore Oregon
A shallow M5.7 earthquake was detected 138 km (86 miles) west-southwest of Pistol River, Oregon, at 10:53 UTC on June 3, 2026. The event occurred at a depth of 11.0 km (6.8 miles).
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