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G3Peak 8 October 1991 at 18:00 UTC

Northern Lights on 8 October 1991 (Kp 6.7): Where They Were Visible

Kp reached 6.7. At that level the edge of the auroral oval reaches about 53.2° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 48.7°. Activity stayed at storm level (Kp 5 or more) for 12 hours.

03579 G1 G3 Mon 7 Oct 06:00 UTC · Kp 4.33 Mon 7 Oct 09:00 UTC · Kp 4.00 Mon 7 Oct 12:00 UTC · Kp 4.00 Mon 7 Oct 15:00 UTC · Kp 3.00 Mon 7 Oct 18:00 UTC · Kp 3.33 Mon 7 Oct 21:00 UTC · Kp 3.33 Tue 8 Oct 00:00 UTC · Kp 3.67 Tue 8 Oct 03:00 UTC · Kp 4.00 Tue 8 Oct 06:00 UTC · Kp 4.67 Tue 8 Oct 09:00 UTC · Kp 4.67 Tue 8 Oct 12:00 UTC · Kp 4.33 Tue 8 Oct 15:00 UTC · Kp 4.67 Tue 8 Oct 18:00 UTC · Kp 6.67 Tue 8 Oct 21:00 UTC · Kp 3.33 Wed 9 Oct 00:00 UTC · Kp 4.00 Wed 9 Oct 03:00 UTC · Kp 4.33 Wed 9 Oct 06:00 UTC · Kp 2.67 Wed 9 Oct 09:00 UTC · Kp 3.00 Wed 9 Oct 12:00 UTC · Kp 2.00 Wed 9 Oct 15:00 UTC · Kp 2.33 Wed 9 Oct 18:00 UTC · Kp 2.00 Tue 8 OctWed 9 Oct
Kp 0–3 Kp 4 Kp 5–6 (G1–G2) Kp 7+ (G3+) Times in UTC; faded bars are forecasts.

Three-hourly Kp from GFZ, one day either side of the storm.

Where the aurora could be seen

1,646 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United Kingdom 414 Glasgow, Manchester, Sheffield, Leeds Nottingham
Canada 265 Montreal, Calgary, Ottawa, Edmonton Saanich
United States 165 Minneapolis, Saint Paul, Anchorage, Spokane Billings
Sweden 148 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Denmark 94 Copenhagen, Aarhus, Odense, Aalborg Nykøbing Falster
Poland 90 Gdańsk, Szczecin, Bydgoszcz, Białystok Bydgoszcz
Germany 84 Hamburg, Bremen, Kiel, Lübeck Bremen
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Ireland 49 Dublin, Limerick, Galway, Tallaght Kilkenny
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Lithuania 31 Vilnius, Kaunas, Klaipeda City Municipality, Šiauliai Druskininkai
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Netherlands 7 Groningen, Leeuwarden, Drachten, Sneek Drachten
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
New Zealand 4 Invercargill, Gore, Stewart Island/Rakiura (Oban), The Catlins (Owaka) Gore
Australia 3 Hobart, Bruny Island (Alonnah), Southport / Cockle Creek Hobart
Kazakhstan 3 Kostanay, Petropavl, Kokshetau Kostanay
Svalbard & Jan Mayen 1 Longyearbyen Longyearbyen
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,099 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.

Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.

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