Translation guide
A bowl-shaped depression, typically on a surface like the moon, a planet, or the ground after an explosion.
crater (on the moon, etc.)
volcanic crater
A large bowl-shaped hole on the surface of a moon, planet, or other celestial body, formed by impact or volcanic activity.
The most common and direct translation for 'crater' in scientific and everyday contexts. A loanword from English.
There are many craters on the surface of the moon.
Specifically refers to a volcanic crater, the opening at the top of a volcano.
Literally 'eruption mouth', a more technical term for a volcanic crater or vent.
A hole in the ground caused by an explosion, such as from a bomb or shell.
Any bowl-shaped hollow or depression resembling a crater, such as in the ground, a surface, or even metaphorically.
Use クレーター for impact craters (moon, Mars) and general crater shapes. Use 火口 specifically for volcanic craters. 噴火口 is more technical and less common in everyday speech.
The crater of Mt. Fuji is very large.
Smoke is rising from the crater.
A large crater was formed by the explosion.
爆発で地面に深い穴があいた。
A deep hole opened up in the ground from the explosion.