英文關鍵字
active
afar
ale
bubble
bubbling
burst
caldera
crater
danger
dangerous
dark
disaster
drift
edge
emission
erta
erupt
eruption
ethiopia
explosion
fire
flow
geology
glow
hazardous
heat
hot
lake
landscape
lava
lave
magma
mountain
movement
natural
plate
red
rock
smoke
spark
splash
steam
stone
tectonics
volcanic
volcanism
volcano
vulcan
yellow