Fig. 2

a, b Geomagnetic disturbances B_x and B_y at Kakioka; c, d geoelectric disturbances E_x and E_y at Kakioka; e GIC at the substation SFS; f GIC at the substation STB, and g GIC at the substation SFJ. The black lines indicate the observed values, and the red lines indicate the calculated ones