Most Energetic Flares since 1976



SC Date UT Ha GOES Location NOAA CV Area Proton DeltaRadio Ap Delay Remarks
23 04 Nov 2003 19:50 3B X28,0 S19W83 10486 Fkc/- 630/- 353 02:3524 67 46 (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (11); m1; m2; m3; m4; m5; m6; m7; s1;[G]; [G]; [L]; [W]
23 02 Apr 2001 21:51 - X20,0 N17W67 9393 Fkc/Fkc 1810/1080 1110 01:4923 56 43 (1); (2); (3); (4); m1; m2; [W]
22 16 Aug 1989 01:17 2N X20,0 S18W84 5629 -/- 30/- No - 4? 48 56? (1); (2); (3); (4); [L]; [W]
23 28 Oct 2003 11:10 4B X17,2 S16E08 10486Fkc/Fkc 2120/2610 29500 01:0523 400 19 (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (12); (13); (14); (15); (16); (17); (18); (19); s1; m1; m2; m3; m4; m5; p1; p2; [3]; [G]; [G]; [G]; [W]
23 07 Sep 2005 17:40 3B X17,0 S12E89 10808-/Dko -/510 1880 08:3524 67 69 (1); (2); (3); m1; [G]; [L]; [T]; [W]
22 06 Mar 1989 14:10 3B X15,0 N35E69 5395 Hkx/Fkc 1120/1960 3500 51:2524 67? 57? (1); (2); (3); (4); (5); (6); (7); (8)
21 11 Jul 1978 10:57 2B X15 N18E45 1203 Dkc/Ekc 1370/1000 20 40:02- 32 44? (1); (2); (3); [W]
23 15 Apr 2001 13:50 2B X14,4 S20W85 9415 Dko/- 350/- 951 00:20234 154 58 (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (12); m1; m2; m3; m4; p1; p2; [W]
22 19 Oct 1989 12:55 4B X13,0 S27E10 5747 Fkc/Fkc 1080/1010 40000 00:102345 236 24 (1); (2); (3); (4); (5); [T]
21 25 Apr 1984 00:01 3B X13,0 S12E43 4474 Fkc/Fkc 2240/2180 2500 13:2934 179 36 (1); (2); (3); (4); (5); (6); [G]; [W]
21 15 Dec 1982 01:59 2B X12,9 S10E24 4026Ekc/- 770/710 130 64:462345 154 52 (1); [W]
22 15 Jun 1991 08:31 3B X12,0 N33W69 6659 Fkc/Fkc 1690/390 1400 [X] 24 154 48 (1); (2); (3); (4); (5); [G]; [G]; [T]; [W]; [X]
22 11 Jun 1991 02:29 3B X12,0 N31W17 6659 -/Fkc 1980/2180 No - 24 111 34 (1); (2); (3); (4); (5); (6); (7); (8); [G]; [W]
22 06 Jun 1991 01:12 4B X12,0 N33E44 6659 -/Fkc 2060/1970 No - 2345 111 71 (1); (2); (3); (4); (5); [G]; [W]
22 04 Jun 1991 03:46 3B X12,0 N30E70 6659 -/Fkc 1420/1680 3000 04:34124 56? 70? (1); (2); (3); (4); (5); (6); (7); (8); [G]; [T]; [W]
21 06 Jun 1982 16:54 3B X12,0 S09E25 3763 Ekc/Fkc 1080/1030 30 55:4614 48 55? (1); (2);[G]; [W]
22 01 Jun 1991 15:29 1F X12,0 N25E90 6659? -/- -/90 No - 4? No - (1); (2); (3); [G]; [G]
21 20 May 1984 22:41 2B X10,1 S09E52 4492 Eac/- 670/670 No - 0 56 40? (1); (2); [W]
21 17 Dec 1982 18:58 3B X10,1 S08W21 4025+26-/- 720/600 No - 245 67 35 (1); (2); (3); (4); [W]
23 29 Oct 2003 20:49 2B X10,0 S15W02 10486 Fkc/Fkc 2610/2600 No - 23 400 18 (1); (2); (3); (4); (5); (6); (7); (8); (9); m1; m2; m3; [G]; [G]; [N]; [W]
22 25 Jan 1991 06:30 SF X10,0 S16E78 6471 Hkx/Ekx 310/950 No - 234 No - (1); (2)
22 09 Jun 1991 01:40 3B X10,0 N34E04 6659 Fkc/Fkc 2200/2240 No - 24 179 28 (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (12); (13); (14); [G]; [G]; [W]
21 09 Jul 1982 07:38 3B X9,8 N17E73 3804 Fkc/Fkc 1560/2710 2900 47:2224 94? 53? (1); (2); (3); [G]
22 29 Sep 1989 11:33 - X9,8 S26W90 5698 -/- -/- 4500 00:3235 27? 30? (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); [G]; [G]; [T]
23 06 Nov 1997 11:55 2B X9,4 S18W63 8100 -/Fkc 760/630 490 01:10234 27 78 (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); m1; m2; [G]; [G]; [G]; [G]; [W]
22 22 Mar 1991 22:45 3B X9,4 S26E28 6555 -/- 1260/2120 43000 09:3523 300 28 (1); (2); (3); [G]
22 24 May 1990 20:49 1B X9,3 N33W78 6063 Ekc/Hkx 450/100 180 00:36234 154?24? (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); [G]; [G]; [G]; [G]
21 06 Nov 1980 03:48 2B X9,0 S12E74 2779 -/Fkc 1540/1755 No - 234 No - (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (12); (13); (14)
22 02 Nov 1992 03:08 - X9,0 S25W90 7321 -/- -/- No - 3? ? - (1); (2); (3); (4); (5)
23 05 Dec 2006 10:35 - X9,0 S07E68 10930Hkx/Hkx 390/490 1980 29:20234 48? 38? (1); m1
23 02 Nov 2003 17:25 2B X8,3 S14W56 10486 -/Fkc 2160/1430 No - 234 132 47 (1); (2); (3); (4); (5); (6); m1; m2; m3; [G]; [G]; [N]; [W]
21 03 Jun 1982 11:48 2B X8,0 S09E72 3763 Ekc/Ekc 1100/1250 10 62:572345 27 66 (1); (2); (3); (4); (5); (6); [G]; [G]; [G]; [W]
21 12 Jul 1982 09:18 2B X7,1 N11E37 3804 Fkc/Fkc 2870/1920 No - 24 400 30 (1); (2); (3); [T]
22 04 Mar 1991 14:03 - X7,1 ? - -/- -/- No - 23 ? - (1)
23 20 Jan 2005 07:01 - X7,1 N14W61 10720-/- 1460/1090 1860 00:15 234 207?32? (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (12); (13); (14); (15); (16); (17); m1; m2; m3; m4; m5; p1; [G]; [G]; [G];
24 09 Aug 2011 08:05 2B X6,9 N17W69 11263 Ekc/Ehc 450/340 26 00:40 2 No - (1); (2); m1; m2; m3; i1; [X]
23 06 Dec 2006 18:47 3B X6,5 S06E63 10930 Dkc/- 490/430 1980? - 234 48? 32? (1); (2); (3); (4); s1; m1; m2; m3; m4; m5; [X]; [T]; [W]
22 17 Mar 1989 17:37 2B X6,5 N33W60 5395 Fkc/- 3600/1350 2000 01:1824 111 43 (1); (2); (3); (4); (5); [W]
23 13 Dec 2001 14:30 3B X6,2 N16E09 9733 -/Eac 490/450 No - 234 No - (1); (2); m1; m2
23 09 Sep 2005 20:04 - X6,2 S12E67 10808Ekc/Ekc 1430/1400 No - 234 179?34? (1); (2); m1; m2; m3; m4; m5; p1; [G]; [G]
22 27 Oct 1991 05:49 3B X6,1 S13E15 6891 -/- 2380/2040 40 31:10234 236 28 (1); (2); (3); (4); (5); [G]; [G]; [G]; [G]; [W]
21 18 Aug 1979 14:16 1B X6 N10E90 1943 -/- -/1380 500 18:34234 132?49? (1); (2); (3); (4); (5); (6)
21 24 Apr 1981 14:11 2B X5,9 N18W50 3049 -/- -/- 160 01:042345 15440 (1); (2); (3); (4); (5); [W]
21 04 Jun 1982 13:30 2B X5,9 S10E55 3763 Ekc/Ekc 1250/1170 No - 34 27?64? (1); (2); (3); [W]
22 24 Oct 1989 18:31 3B X5,7 S30W57 5747 Fki/Fkc 880/890 No - 245 48?51? (1); (2); (3); (4)
23 14 Jul 2000 10:24 3B X5,7 N22W07 9077 Ekc/Ekc 460/420 24000 00:21234 40029 (1); (2); (3); (4); (5); (6); (7); (8); (9); (10); (11); (12); (13); (14); (15); (16); (17); (18); (19); (20); (21); (22); (23); (24); (25); (26); (27); m1; m2; [G]; [W]


Table comments

Remarks

Powerflare-bar - Comments

The pictures in the bar depict (from left to right) the X28-flare of 04 November 2003, H-alpha arches after the 16 August 1989 event, the full-halo CME following the 28 October 2003 flare, the CME after the 02 April 2001 limb-flare, the X7,1-flare and subsequent proton-event of 20 January 2005, the Moreton-wave emanating from the 06 December 2006 flare, H-alpha arches following the 15 April 2001 and 06 March 1989 flares, and the remarkable arcade structure after the famous Bastille Day 2000 event. The pictures were taken from the referenced articles and websites.

Sources and Links

  1. Proton flare data (NOAA/SEC) - 1976-present.
  2. Flare characteristics (NOAA/SEC)
  3. Geomagnetic parameters (NOAA/SEC)
  4. Sunspotdata (MSFC)
  5. GLE (Ground Level Enhancement) -data: AADC, Moscow, Bartol (South Pole)
  6. Solar Radio Events (NGDC/NOAA) for the period 1967-present.
  7. Gamma-ray data obtained from web-references and data listings from BATSE (Apr 1991 - May 2000), RHESSI (2002-2008) and CORONAS-F (July 2001 - December 2005).
  8. Satellite anomalies (Dr. S. Odenwald)
  9. The Ulysses catalogue of hard X-ray solar flares.
  10. Solar Storm Threat Analysis (J.A. Marusek, 2007).
  11. Halloween Space Weather Storms 2003 (NOAA/SWPC).

Last update: 10 September 2011

Original: 18 March 2008