地ち殻かく変へん動どう

変へん動どうN2sense 1
変動 is the general word for change or fluctuation, while 地殻変動 specifically means the deformation and movement of the earth's crust.
激げき変へんN1sense 2
激変 means a sudden, drastic change in general, whereas 地殻変動 (used figuratively) frames such change as a deep, structural upheaval like a shift in the earth's crust.
異い変へんN1sense 2
異変 refers to an unusual or alarming occurrence, while 地殻変動 (figurative sense) emphasizes a fundamental realignment of power or structure.

Don't confuse with

地じ震しんN4sense 1
地震 is the sudden shaking event itself, while 地殻変動 is the underlying, often gradual, deformation of the crust that can cause such earthquakes.

Compound of 地殻 (earth's crust) and 変動 (change, movement). The figurative sense is a metaphorical extension from geology.

ち

か

く

へ

ん

ど

う

diastrophism; crustal movement

Geological term for deformation and movement of the earth's crust. Used in scientific and news contexts.

seismic shift; upheaval; earthshaking change

Figurative extension: dramatic, fundamental change in politics, society, or an organization, likened to a geological shift.

〈場ば所しょ〉で地ち殻かく変へん動どうが起おきるcrustal movement occurs in a place
この地ち域いきでは長なが年ねんにわたり地ち殻かく変へん動どうが起おきている。
Crustal movement has been occurring in this region for many years.
〈場ば所しょ〉に地ち殻かく変へん動どうが起おきるa seismic shift/upheaval occurs in (a field, industry, etc.)
政せい界かいに地ち殻かく変へん動どうが起おきて、新あたらしい党とうが誕たん生じょうした。
A seismic shift occurred in the political world, giving rise to a new party.
地ち殻かく変へん動どうを観かん測そくするto observe/monitor crustal movement
研けん究きゅう者しゃたちは衛えい星せいを使つかって地ち殻かく変へん動どうを観かん測そくしている。
Researchers are using satellites to observe crustal movement.
〈事こと〉に地ち殻かく変へん動どうをもたらすto bring about a seismic shift/upheaval in something
新しん技ぎ術じゅつの登とう場じょうは業ぎょう界かいに地ち殻かく変へん動どうをもたらした。
The emergence of new technology brought a seismic shift to the industry.

変へん動どうN2sense 1
変動 is the general word for change or fluctuation, while 地殻変動 specifically means the deformation and movement of the earth's crust.
激げき変へんN1sense 2
激変 means a sudden, drastic change in general, whereas 地殻変動 (used figuratively) frames such change as a deep, structural upheaval like a shift in the earth's crust.
異い変へんN1sense 2
異変 refers to an unusual or alarming occurrence, while 地殻変動 (figurative sense) emphasizes a fundamental realignment of power or structure.

地じ震しんN4sense 1
地震 is the sudden shaking event itself, while 地殻変動 is the underlying, often gradual, deformation of the crust that can cause such earthquakes.

Compound of 地殻 (earth's crust) and 変動 (change, movement). The figurative sense is a metaphorical extension from geology.