G3Peak 10 June 1989 at 15:00 UTC

Northern Lights on 10 June 1989 (Kp 7): Where They Were Visible

Kp reached 7. At that level the edge of the auroral oval reaches about 52.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 48.0°. Activity stayed at storm level (Kp 5 or more) for 27 hours.

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

3,364 towns on our list had enough activity while it was dark there. Cloud cover is not included.

Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.
Country	Places	Examples	Furthest from the pole
United States	1,475	Seattle, Detroit, Milwaukee, Minneapolis	Cedar Rapids
Canada	866	Toronto, Montreal, Calgary, Ottawa	LaSalle
United Kingdom	376	Glasgow, Edinburgh, Belfast, Newcastle upon Tyne	Middlesbrough
Denmark	255	Copenhagen, Aarhus, Odense, Aalborg	Nakskov
Sweden	168	Gothenburg, Malmö, Jönköping, Helsingborg	Trelleborg
Latvia	76	Riga, Daugavpils, Liepāja, Jelgava	Daugavpils
Lithuania	54	Kaunas, Klaipeda City Municipality, Šiauliai, Panevėžys	Garliava
New Zealand	41	Christchurch, Dunedin, Invercargill, Rolleston	Greymouth
Australia	28	Melbourne, Geelong, Hobart, Ballarat	Ballarat
Estonia	13	Pärnu, Viljandi, Kuressaare, Võru	Võru
Ireland	6	Letterkenny, Sligo, Buncrana, Ballybofey	Sligo
Kazakhstan	3	Kostanay, Petropavl, Kokshetau	Kostanay
Germany	2	Westerland, Glücksburg	Glücksburg
China	1	Mohe	Mohe

Only in photos

4,429 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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