The best replacement for volcano is earthquake.

The best alternatives to volcano are rated as following:
★★★★★  earthquake
★★★★★  vapezilla
★★★  dante's peak
★★★  phantom
★★  plenty
★★  mountain
★★  pax
★★  ssv
★★  super vapezilla
★★  arizer
★★  tornado
★★  da buddha
★★  extreme q
★  phantom vaporizer
★  herbalaire
★  blu
★  airplane
★  atomic bomb
★  magma e cig
★  slingbox
★  vapir
★  tsunami
★  sublimator
★  stratovolcano
★  blu cigs
★  hilo
★  arizer solo
★  global warming
  extreme vaporizer
  extreme
  silver surfer
  an earthquake
  caldera
  vaporizer
  supervolcano
  shield volcano
  blu ecig
  extreme q vaporizer
  pollution
  geyser

Your alternative for volcano is not listed? Suggest!
Speaking about volcano, one probably shouldn't forget about lava.

Other search terms related to volcano and their ratings are:
★★★★★ lava
★★★★ baking soda and vinegar
★★★ vinegar and baking soda
★ damien rice
You have in mind a companion for volcano and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of volcano in all years. Click on graph for more.
volcano
earthquake
vapezilla