G1minor

The geomagnetic storm of 9 January 2004

On 9 January 2004 the Kp index reached 5: a G1 (minor) storm, with 3 hours at Kp 5 or more. At its peak the lights could be seen from 280,376 places in the atlas, down to about 51° magnetic latitude.

Kp 5Peak Kp · 9 January 2004 06:00 UT

3Hours at Kp 5 or more

48Largest ap

Solar cycle 23Year 8 of solar cycle 23

Kp every three hours

56789

8 Jan9 Jan10 Jan

Where the lights could be seen

At Kp 5 the lights reach 280,376 places of the atlas on the horizon and 80,365 overhead, down to about 51° magnetic latitude.

Countries

Russia119,505 placesSweden27,876 placesFinland24,291 placesUnited States22,332 placesCanada17,756 placesLithuania16,991 placesNorway13,111 placesLatvia7,542 placesUnited Kingdom7,329 placesBelarus6,984 places

At the edge: just within reach

ChicagoUnited StatesUfaRussiaDetroitUnited StatesVilniusLithuaniaUlyanovskRussiaRyazanRussiaVitebskBelarusBelfastUnited Kingdom

The largest towns that could see them

Before and after

Previous storm6 – 7 January 2004 · Kp 6

Next storm10 January 2004 · Kp 5+

2004

Geomagnetic storms of 2004Every storm

Geomagnetic storms since 1932Geomagnetic storm archive

Strong storms at the same time of year

9 – 10 January 1983Kp 8+ · 15 h

7 – 8 January 2005Kp 8− · 15 h

6 – 7 January 1975Kp 8− · 15 h

13 – 14 January 1967Kp 8− · 18 h

10 – 11 January 1976Kp 7+ · 15 h

13 – 14 January 1999Kp 7 · 15 h