G1minor

The geomagnetic storm of 26 – 27 January 1979

On 26 – 27 January 1979 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 317,119 places in the atlas, down to about 50° magnetic latitude.

Kp 5+Peak Kp · 26 January 1979 21:00 UT

6Hours at Kp 5 or more

56Largest ap

Solar cycle 21Year 3 of solar cycle 21

Kp every three hours

56789

25 Jan26 Jan27 Jan28 Jan

Where the lights could be seen

At Kp 5+ the lights reach 317,119 places of the atlas on the horizon and 96,450 overhead, down to about 50° magnetic latitude.

Countries

Russia131,171 placesUnited States28,690 placesSweden27,876 placesFinland24,291 placesLithuania20,313 placesCanada19,020 placesNorway13,111 placesBelarus11,151 placesUnited Kingdom8,813 placesLatvia7,542 places

At the edge: just within reach

PortlandUnited StatesVilniusLithuaniaNovokuznetskRussiaKaliningradRussiaGdańskPolandTulaRussiaClevelandUnited StatesSaranskRussia

The largest towns that could see them

Before and after

Previous storm25 January 1979 · Kp 6−

Next storm21 – 23 February 1979 · Kp 7−

1979

Geomagnetic storms of 1979Every storm

Geomagnetic storms since 1932Geomagnetic storm archive

Strong storms at the same time of year

24 – 27 January 1949Kp 9− · 51 h

25 – 26 January 1938Kp 9− · 24 h

22 – 24 January 2004Kp 7 · 33 h

28 – 30 January 1945Kp 7 · 21 h

24 – 25 January 1950Kp 7− · 12 h