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Geomagnetic storm on 14 Dec 1970 (G4)

Max Kp8+G4

Ap65No. 6 in 1970

Consecutive G1+ days1

Ap rank488since 1932

Kp by 3-hour slot (UTC)

00–034-

03–066o

06–098+

09–125o

12–154+

15–183o

18–214+

21–245+

The days around it

Date	Max Kp	Ap	Level
11 Dec 1970	1-	2	–
12 Dec 1970	1+	4	–
13 Dec 1970	2o	4	–
14 Dec 1970	8+	65	G4
15 Dec 1970	4+	14	–
16 Dec 1970	2-	4	–
17 Dec 1970	2-	3	–

Highest-Ap days of 1970

8 Mar 1970149

17 Aug 1970115

25 Jul 197092

21 Apr 197090

9 Jul 197087

14 Dec 197065

7 Nov 197058

31 Mar 197051

9 Mar 197047

28 May 197045

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.

← 7 Nov 1970 14 Apr 1971 →

About this page

Max Kp 8+, Ap 65: No. 488 of 34,615 days since 1932 by Ap.