構造線(こうぞうせん)

こうぞうせん
noun
tectonic line; structural line
academicnature
1. tectonic line; structural line
A major geological fault line or boundary that defines the structural framework of a landmass. In Japanese geography, several named tectonic lines divide the Japanese islands into distinct geological zones.
中央構造線(ちゅうおうこうぞうせん)は日本最大(にほんさいだい)の構造線(こうぞうせん)だ。
The Median Tectonic Line is Japan's largest tectonic line.
構造線(こうぞうせん)に沿(そ)って温泉(おんせん)が多(おお)く分布(ぶんぷ)している。
Many hot springs are distributed along the tectonic line.
地震(じしん)の多(おお)い地域(ちいき)は構造線(こうぞうせん)の近(ちか)くに位置(いち)していることが多(おお)い。
Areas with frequent earthquakes are often located near tectonic lines.

A geological term composed of 構造(こうぞう) (structure) and 線(せん) (line). Japan has several major tectonic lines that are important in geography education and earthquake science.

Major japanese tectonic lines

  • 中央構造線(ちゅうおうこうぞうせん): Median Tectonic Line — the longest fault in Japan, running from Kyushu to the Kanto region
  • 糸魚川静岡構造線(いといがわしずおかこうぞうせん): Itoigawa-Shizuoka Tectonic Line — divides Honshu's geology into eastern and western halves
  • 柏崎千葉構造線(かしわざきちばこうぞうせん): Kashiwazaki-Chiba Tectonic Line

Common collocations

  • 構造線(こうぞうせん)に沿(そ)って: along the tectonic line
  • 活(かつ)構造線(こうぞうせん): active tectonic line

Related words

Related Words

Related: 断層(だんそう) (fault)
general
Added 2026.5.5 0:34 · Revised 2026.9.2 13:02
26500/26748_kouzousen