/ Thesaurus / S Synonyms of seismic disturbance Find synonyms for: Noun1. shock, seismic disturbance, earthquake, quake, temblor, seismusage: an instance of agitation of the earth's crust; "the first shock of the earthquake came shortly after noon while workers were at lunch"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language