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G3Peak 12 March 1990 at 21:00 UTC

Northern Lights on 12 March 1990 (Kp 7.3): Where They Were Visible

Kp reached 7.3. At that level the edge of the auroral oval reaches about 51.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 47.3°. Activity stayed at storm level (Kp 5 or more) for 12 hours.

03579 G1 G3 Sun 11 Mar 15:00 UTC · Kp 3.00 Sun 11 Mar 18:00 UTC · Kp 2.33 Sun 11 Mar 21:00 UTC · Kp 1.33 Mon 12 Mar 00:00 UTC · Kp 2.67 Mon 12 Mar 03:00 UTC · Kp 3.33 Mon 12 Mar 06:00 UTC · Kp 2.33 Mon 12 Mar 09:00 UTC · Kp 3.00 Mon 12 Mar 12:00 UTC · Kp 2.33 Mon 12 Mar 15:00 UTC · Kp 5.33 Mon 12 Mar 18:00 UTC · Kp 5.67 Mon 12 Mar 21:00 UTC · Kp 7.33 Tue 13 Mar 00:00 UTC · Kp 6.33 Tue 13 Mar 03:00 UTC · Kp 4.00 Tue 13 Mar 06:00 UTC · Kp 3.00 Tue 13 Mar 09:00 UTC · Kp 3.00 Tue 13 Mar 12:00 UTC · Kp 3.33 Tue 13 Mar 15:00 UTC · Kp 3.67 Tue 13 Mar 18:00 UTC · Kp 2.67 Tue 13 Mar 21:00 UTC · Kp 4.33 Wed 14 Mar 00:00 UTC · Kp 5.33 Mon 12 MarTue 13 MarWed 14 Mar
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

3,282 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,005 Chicago, Boston, Detroit, Milwaukee Pittsburgh
United Kingdom 657 London, Birmingham, Glasgow, Manchester Basingstoke
Canada 385 Toronto, Montreal, Calgary, Ottawa Eastern Passage
Germany 261 Berlin, Hamburg, Essen, Dortmund Leipzig
Poland 196 Warsaw, Łódź, Poznań, Gdańsk Lublin
Sweden 148 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Netherlands 138 Rotterdam, Amsterdam, The Hague, Utrecht Venlo
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Denmark 94 Copenhagen, Aarhus, Odense, Aalborg Nykøbing Falster
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Ireland 55 Dublin, Cork, Limerick, Galway Cork
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
New Zealand 9 Dunedin, Invercargill, Mosgiel, Wānaka Wānaka
Australia 7 Hobart, Launceston, Devonport, Burnie Burnie
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Kazakhstan 4 Astana, Kostanay, Petropavl, Kokshetau Astana
Belgium 3 Turnhout, Knokke-Heist, Kapellen Turnhout
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

2,100 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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