If a volcano erupts how long does it take to dry out?

Question: If a volcano erupts how long does it take to dry out?
- Keywords:
  Earth,
  geology,
  volcano
Asked by ever520scut to timothynixon, Pete Webb, Liam H, Katherine, divyareshmithottungalravy, davecornwell, Catherine Mcquillan, Andrew Gartside on 4 Mar 2025.
- Dave Cornwell answered on 4 Mar 2025:
  
  When a volcano erupts lava is the molten rock that flows out. When it stops flowing it cools and eventually becomes solid (igneous) rock. It can take hours to days or even weeks or years to fully cool and solidify, depending on the thickness of the lava and the surrounding temperature.

Question: If a volcano erupts how long does it take to dry out?