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adjective | noun | to phrases
earthquake The violent shaking of the ground produced by deep seismic waves, beneath the epicentre, generated by a sudden decrease or release in a volume of rock of elastic strain accumulated over a long time in regions of seismic activity (tectonic earthquake). The magnitude of an earthquake is represented by the Richter scale; the intensity by the Mercalli scale ['ɜ:θkweɪk] adj.
environ. زلزال
 English thesaurus
earthquake ['ɜ:θkweɪk] abbr.
abbr., amer. temblor (a Spanish loanword Val_Ships)
earthquake
: 3 phrases in 1 subject
United Nations3