Meanings

heated acupuncture needle

sunken hearth

hut where a fire was kept to keep deer, wild boars, etc. away from fields

smoky fire to repel mosquitoes

major volcanic eruption

pyroclastic cone

double volcano

volcanic tremor

submarine volcano

emergency volcanic alert (e.g. an eruption warning)

lava dome

area covered in volcanic ash

complex volcano

volcanic action

volcanic activity report

playing with fire

arsonist

fire festival (often celebrating the absence of fires)

clear as day

coal-fired power plant