forest fire; wildfire; bushfire
Refers to a fire in mountains, forests, or wildland areas; it is not the usual word for an ordinary house or building fire.
The wildfire spread rapidly because of the strong wind.
Firefighters are working to extinguish the forest fire.
A forest fire broke out on that mountain last week.
The forest fire spread in no time because of the strong wind.
The firefighters took several days to put out the forest fire.
森林火災 is a more formal, technical term for a forest fire, while 山火事 is the everyday word for the same thing.
野火 refers to a fire burning across open fields or grassland, whereas 山火事 specifically implies mountains or forested areas.
matter; affair; case; item; subject · counter for received messages · counter for online accounts
A transparent compound of 山, 'mountain,' and 火事, 'fire'; the spelling directly reflects the meaning 'mountain/forest fire.'
Carelessly discarded cigarettes are often the cause of forest fires.