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G1Peak 23 September 1993 at 21:00 UTC

Northern Lights on 23 September 1993 (Kp 5): Where They Were Visible

Kp reached 5. At that level the edge of the auroral oval reaches about 56.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 52.0°. Activity stayed at storm level (Kp 5 or more) for 3 hours.

03579 G1 G3 Wed 22 Sept 21:00 UTC · Kp 1.67 Thu 23 Sept 00:00 UTC · Kp 0.33 Thu 23 Sept 03:00 UTC · Kp 0.00 Thu 23 Sept 06:00 UTC · Kp 0.33 Thu 23 Sept 09:00 UTC · Kp 1.00 Thu 23 Sept 12:00 UTC · Kp 3.00 Thu 23 Sept 15:00 UTC · Kp 2.00 Thu 23 Sept 18:00 UTC · Kp 3.00 Thu 23 Sept 21:00 UTC · Kp 5.00 Fri 24 Sept 00:00 UTC · Kp 4.00 Fri 24 Sept 03:00 UTC · Kp 1.67 Fri 24 Sept 06:00 UTC · Kp 2.67 Fri 24 Sept 09:00 UTC · Kp 2.67 Fri 24 Sept 12:00 UTC · Kp 3.00 Fri 24 Sept 15:00 UTC · Kp 3.33 Fri 24 Sept 18:00 UTC · Kp 4.00 Fri 24 Sept 21:00 UTC · Kp 4.00 Thu 23 SeptFri 24 Sept
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

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

CountryPlacesExamplesFurthest from the pole
Sweden 145 Stockholm, Gothenburg, Malmö, Uppsala Oxie
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
United Kingdom 103 Glasgow, Edinburgh, Aberdeen, Dundee Ashington
United States 91 Minneapolis, Saint Paul, Fargo, Duluth Saint Paul
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 75 Copenhagen, Aarhus, Aalborg, Frederiksberg Esbjerg
Canada 58 Winnipeg, Quebec City, Greater Sudbury, Saguenay Gander
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Lithuania 18 Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai Utena
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Ireland 1 Letterkenny Letterkenny
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

1,473 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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