Home › Geomagnetic history › 1972

Geomagnetic storm on 9 Aug 1972 (G4)

Max Kp8+G4

Ap74No. 6 in 1972

Consecutive G1+ days1

Ap rank366since 1932

Kp by 3-hour slot (UTC)

00–035-

03–067-

06–097-

09–128+

12–154o

15–184+

18–213+

21–243+

The days around it

Date	Max Kp	Ap	Level
6 Aug 1972	7+	87	G3
7 Aug 1972	5-	20	G1
8 Aug 1972	4+	9	–
9 Aug 1972	8+	74	G4
10 Aug 1972	4+	18	–
11 Aug 1972	4o	17	–
12 Aug 1972	2+	7	–

Highest-Ap days of 1972

5 Aug 1972182

4 Aug 1972132

18 Jun 1972126

1 Nov 197298

6 Aug 197287

9 Aug 197274

17 Jun 197262

14 Sep 197254

13 Sep 197253

7 Mar 197245

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.

← 6 Aug 1972 13 Sep 1972 →

About this page

Max Kp 8+, Ap 74: No. 366 of 34,615 days since 1932 by Ap.