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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG
Location: Earth
Event Time: 2026-01-10T19:36Z ( ACE: MAG )
All Detecting Spacecrafts:
ACE: MAG
ACE: SWEPAM
DSCOVR: PLASMAG
Activity ID: 2026-01-10T19:36:00-IPS-001 (version 2)
Quality of ICME Signature: 2 (clear signatures)
Note: Significant shock signature characterized by a sudden jump in B total from 5 to 19nT, with Bz quickly reaching -18nT and then staying negative for four hours. It was accompanied by a sharp increase in the solar wind speed from 450 to 620 km/s. There is also a sudden increase in ion density from 5 to 20 p/cc and a simultaneous, more gradual, increase in ion temperature from 35 K to over 500 K. After 2026-01-10T23:30Z the signature changes to what is likely an arrival of the flux rope, with smooth rotation of components and Bz turning northward for over four hours. B total increases from 7 to over 15 nT and density drops.
Version 1 submitted on 2026-01-10T19:53Z by Anna Chulaki
Version 2 submitted on 2026-01-13T17:08Z by Anna Chulaki
	
A Notification with ID 20260110-AL-003 was sent on 2026-01-10T20:12Z

All directly linked activities:
2026-01-08T05:53:00-CME-001
2026-01-08T15:48:00-CME-001
2026-01-08T17:00:00-CME-001
2026-01-08T17:12:00-CME-001
2026-01-10T18:00:00-GST-001
NOAA Kp: 6.0 (2026-01-10T21:00Z)
NOAA Kp: 5.67 (2026-01-11T00:00Z)
2026-01-11T05:56:00-MPC-001


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