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Geomagnetic storm on 16 Oct 1974 (G3)

Max Kp7oG3

Ap68No. 9 in 1974

Consecutive G1+ days9

Ap rank447since 1932

Kp by 3-hour slot (UTC)

00–035o

03–065-

06–095o

09–126o

12–156+

15–186-

18–215-

21–247o

The days around it

Date	Max Kp	Ap	Level
13 Oct 1974	7o	86	G3
14 Oct 1974	6o	30	G2
15 Oct 1974	6o	50	G2
16 Oct 1974	7o	68	G3
17 Oct 1974	6o	47	G2
18 Oct 1974	6-	43	G2
19 Oct 1974	5-	29	G1

Highest-Ap days of 1974

6 Jul 1974130

16 Sep 197488

13 Oct 197486

23 Jul 197482

5 Jul 197474

15 Sep 197473

12 Nov 197470

21 Mar 197468

16 Oct 197468

27 Jun 197454

Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.

← 13 Oct 1974 11 Nov 1974 →

About this page

Max Kp 7o, Ap 68: No. 447 of 34,615 days since 1932 by Ap.