G1minor

The geomagnetic storm of 9 March 2005

On 9 March 2005 the Kp index reached 5: a G1 (minor) storm, with 6 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 March 2005 18:00 UT

6Hours at Kp 5 or more

48Largest ap

Solar cycle 23Year 9 of solar cycle 23

Kp every three hours

56789

8 Mar9 Mar10 Mar

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 – 8 March 2005 · Kp 6−

Next storm14 March 2005 · Kp 5−

2005

Geomagnetic storms of 2005Every storm

Geomagnetic storms since 1932Geomagnetic storm archive

Strong storms at the same time of year

12 – 17 March 1989Kp 9 · 90 h

7 – 9 March 1970Kp 9 · 39 h

8 – 10 March 2012Kp 8 · 33 h

8 – 9 March 1947Kp 8− · 30 h

10 – 11 March 1998Kp 7+ · 15 h

12 – 13 March 1990Kp 7+ · 12 h