Table 4 SSCs/SIs with largest values of H-component geomagnetic field reported from KAK and maximum GICs associated with them between February 2017 and August 2020
From: Measurement of geomagnetically induced current (GIC) around Tokyo, Japan
Order | Date & time (UT) | Type | Max. H (nT) | Max. dH/dt (nT/s) | GIC (A) | ||
|---|---|---|---|---|---|---|---|
SFJ | STB | SFS | |||||
1 | 2017/07/16 05:59 | SSC | 70 | 0.75 | 3.21 | 2.65 | NA |
2 | 2017/06/16 08:33 | SIa | − 32 | − 0.20 | − 1.67 | − 0.85 | NA |
3 | 2017/05/15 09:15 | SIa | − 30 | − 0.20 | − 2.12 | − 1.23 | NA |
4 | 2017/07/02 10:29 | SI | 26 | 0.12 | 1.08 | 1.03 | NA |
5 | 2017/05/14 11:18 | SI | − 24 | − 0.10 | − 0.86 | − 0.87 | NA |
6 | 2017/06/11 14:39 | SI | − 22 | − 0.14 | − 1.10 | − 0.98 | NA |
7 | 2017/08/31 05:37 | SSCa | 22 | 0.41 | NA | 1.10 | NA |
8 | 2017/05/11 04:59 | SIa | − 21 | − 0.24 | − 1.34 | − 0.80 | NA |
9 | 2017/05/27 15:30 | SSC | 19 | 0.09 | 0.32 | 0.76 | NA |
|  | 2017/06/03 12:34 | SIa | − 19 | − 0.18 | − 1.13 | − 0.90 | NA |
| Â | 2019/07/08 19:22 | SI | 19 | 0.16 | NA | 1.11 | NA |