what has been the biggest explosion so far that you have seen?

Question: what has been the biggest explosion so far that you have seen?
- Keywords:
  explosion,
  explosive
Asked by SmuryCandyfloss to Jack on 11 Nov 2015. This question was also asked by Angelly, madam toto, Benjybob.
- Jack Carlyle answered on 11 Nov 2015:
  
  The coronal mass ejection on 7th June 2011. Check it out: https://www.youtube.com/watch?v=Yx6sON13ywg
  FYI, that’s about a thousand times bigger than the Earth 😀

Question: what has been the biggest explosion so far that you have seen?