![](https://www.swpc.noaa.gov/sites/default/files/styles/pad_sides_large/public/top_news/Copy%20of%20R3%20Event%20%20%281%29_0.png?itok=eexUlzKS)
Region 3664 Remains Relentless
Region 3664, now over the southwest limb, produced another X-class flare at 0837 UTC. Significant magnetic looping remains visible above the region, suggesting additional strong flares are possible despite its far-side location.