have you ever been burnt by lava? if so, how badly does it hurt?

Question: have you ever been burnt by lava? if so, how badly does it hurt?
- Keywords:
  harmful,
  natural disaster,
  volcano
Asked by idontwanttobehere to Jon, Debbie, Glyn, Kat, Nicola on 11 Mar 2013. This question was also asked by charliechimpface.
- Jonathan Stone answered on 11 Mar 2013:
  
  Closest I have ever got to being burnt by lava was when I went for a pee on a lava flow….bad mistake!! A cloud of steam almost blew my head off…! I imagine being burnt by lava would hurt a lot – I intend to try and avoid that…!

Question: have you ever been burnt by lava? if so, how badly does it hurt?