NOAA SWPC / CAPTURE HISTORY
SUMMARY: Geomagnetic Sudden Impulse
Latest captured source record. This is an archive, not a current warning service.
Open the detailed event record ↗- First tracked
- 2026-10-10 15:29:51.768Z
- Last seen in a feed
- 2026-10-10 16:59:51.815Z
- Source classification
- SUMMARY · Published bulletin
SUMMARY: Geomagnetic Sudden Impulse · Observed: 2026 Oct 10 1516 UTC · Deviation: 56 nT · Station: NGK · Comment:
Read original source ↗How the record changed
Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.
newly tracked · Captured 2026-10-10 15:29:51.768Z
SUMMARY: Geomagnetic Sudden Impulse
SUMMARY: Geomagnetic Sudden Impulse · Observed: 2026 Oct 10 1516 UTC · Deviation: 56 nT · Station: NGK · Comment:
Source issued/updated 2026-10-10T15:24:27.583Z · Published bulletin
Source for this capture ↗