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X5.4 solar flare on 2012-03-07

ClassX5.4NOAA report
Peak00:242012-03-07 UTC
Duration38 min
Peak flux5.4e-04W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)52 / 491
Rank in year1 / 1388
Other M/X flares that day1
M/X flares that month22
Solar cycleCycle 24
Position on diskN17E27
Active regionAR 11429 (28 flares)

Compared with the strongest flares of 2012

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
01:0501:1418X1.3N22E1211430
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.

← X1.1 2012-03-05X1.3 2012-03-07 →

About this page

A X5.4 flare that began 2012-03-07 00:02 UTC; No. 1 of 1,388 C-class-or-larger flares in 2012.