The definition of an earthquake is the release of sudden and extreme energy that is caused by shifting in the Earth's crust.
An earthquake, moonquake, etc.
A relatively minor seismic shaking or vibrating movement. Tremors often precede larger earthquakes or volcanic eruptions.
(Informal) An earthquake.
(Chess, Checkers, etc.) The act of moving, or a player's turn to move
Find another word for seism. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for seism, like: repetition, earthquake, quake, tremor, temblor, tremblor, shake and move.