The monthly mean values of the geomagnetic field components at Kakioka are D: -654, H: 30112nT, Z: 35086nT and F: 46236nT for February 1993.
Monthly average of the K-index daily sum is 17. indicates a high level of geomagnetic activity during the month.
Notable geomagnetic events include 2 magnetic storms, 2 si, 7 bay, 0 sfe, 0 pi and 0 pc.
The international 5 quietest days are the 6,15,16,26,27th.
The international 5 most disturbed days are the 1,8,9,17,22th.
Plot of the geomagnetic hourly value for February 1993
Plot of the K-index daily total sum for 1993
Details of the geomagnetic storms in February 1993
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 27 | disturbed | bay | plot | ||
| 2 | 19 | moderately disturbed | plot | |||
| 3 | 12 | moderately calm | si | plot | ||
| 4 | 10 | calm | plot | |||
| 5 | 08 | calm | plot | |||
| 6 | 08 | calm | plot | |||
| 7 | 27 | disturbed | plot | |||
| 8 | 30 | disturbed | bay | plot | ||
| 9 | 27 | disturbed | bay | plot | ||
| 10 | 21 | moderately disturbed | bay | plot | ||
| 11 | 22 | moderately disturbed | plot | |||
| 12 | 16 | moderately calm | plot | |||
| 13 | 14 | moderately calm | plot | |||
| 14 | 07 | calm | plot | |||
| 15 | 06 | calm | plot | |||
| 16 | 11 | moderately calm | plot | |||
| 17 | 30 | disturbed | storm | plot | ||
| 18 | 19 | moderately disturbed | plot | |||
| 19 | 09 | calm | plot | |||
| 20 | 28 | disturbed | si | plot | ||
| 21 | 26 | disturbed | plot | |||
| 22 | 28 | disturbed | plot | |||
| 23 | 14 | moderately calm | plot | |||
| 24 | 09 | calm | plot | |||
| 25 | 10 | calm | plot | |||
| 26 | 06 | calm | plot | |||
| 27 | 05 | calm | storm | plot | ||
| 28 | 27 | disturbed | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
