- Who
- Miguel Ángel Molano
- What
- 83.2 decibel(s) (C-weighted)
- Where
- Spain (Guecho)
- When
The loudest crack of the finger knuckles measured 83.2 dB and was achieved by Miguel Ángel Molano (Spain) in Getxo (Guecho), Bizkaia (Bilbao), Spain, on 25 May 2012.