英文關鍵字
active
activity
area
background
boiling
bubble
catastrophe
cone
crack
crater
damage
destruction
disaster
dry
earth
east
ecology
embankment
environment
error
eruption
exploding
flow
gas
geological
geology
geothermal
geothermics
geyser
heat
hill
hot
indonesia
java
lake
land
landscape
lapindo
lumpur
mineral
mountain
mud
muddy
mudflow
mudslide
national
natural
nature
pond
pool
sand
sidoarjo
smelly
soil
steam
steaming
stream
texture
thermal
tragedy
unique
view
volcanic
volcanism
volcanos
vulkanismus
water