活 火 山(かっかざん)

かっかざん

noun

active volcano

1. active volcano

A volcano that is currently active or has the potential to erupt. Japan has over 100 active volcanoes, making this an important term in geography and disaster preparedness.

日本(にほん)には活火山(かっかざん)が多(おお)い。

Japan has many active volcanoes.

桜島(さくらじま)は日本(にほん)を代表(だいひょう)する活火山(かっかざん)だ。

Sakurajima is one of Japan's most representative active volcanoes.

活火山(かっかざん)の近(ちか)くでは噴火(ふんか)に備(そな)えた避難(ひなん)計画(けいかく)が必要(ひつよう)だ。

Near active volcanoes, evacuation plans in preparation for eruptions are necessary.

Usage: 活火山(かっかざん) is a compound of 活(かつ) (active, living), 火(か) (fire), and 山(ざん) (mountain). Japan has 111 active volcanoes, making this a commonly encountered term in news and education.

Common collocations

活火山(かっかざん)の噴火(ふんか): eruption of an active volcano
活火山(かっかざん)の監視(かんし): monitoring of active volcanoes
活火山(かっかざん)に指定(してい)される: to be designated as an active volcano

Similar words

活火山(かっかざん): active volcano (currently active or potentially eruptive)
休火山(きゅうかざん): dormant volcano (formerly used, now deprecated in official terminology)
死火山(しかざん): extinct volcano (formerly used, now deprecated)

Related Words

Related: 火山(かざん) (volcano)

Related: 噴火(ふんか) (eruption)

Compare: 休火山(きゅうかざん) (dormant volcano)

Compare: 死火山(しかざん) (extinct volcano)

general

Added 2026.3.8 22:57 · Revised 2026.9.2 13:01

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