earthquake; movement of the earth
Technical term for seismic movement or an earthquake. Used in geology and related fields.
See also: 地震
Analyze observation data of earth movements.
motions of the earth (rotation and revolution)
Refers to the Earth's rotation and revolution. Rare, mostly found in older or technical astronomical contexts.
In old astronomy texts, 地動 is sometimes used in the context of the heliocentric theory.
tellurion; loxocosm
Compound of 地 (earth) and 動 (movement). The exact historical derivation is uncertain; the term appears in technical contexts.