- foreshock
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A small earth tremor which precedes the mainshock in an earthquake event. Not all earthquakes have foreshocks.
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foreshock
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foreshock — [fôr′shäk΄] n. a minor earthquake preceding a greater one and originating at or near the same place … English World dictionary
foreshock — noun Date: 1902 any of the usually minor tremors commonly preceding the principal shock of an earthquake … New Collegiate Dictionary
foreshock — /fawr shok , fohr /, n. Geol. a relatively small earthquake that precedes a greater one by a few days or weeks and originates at or near the focus of the larger earthquake. [1900 05; FORE + SHOCK1] * * * … Universalium
foreshock — noun a mild tremor preceding a larger earthquake … English new terms dictionary
foreshock — fore•shock [[t]ˈfɔrˌʃɒk, ˈfoʊr [/t]] n. gel a relatively small earthquake that precedes a greater one by a few days or weeks and originates at or near the focus of the larger earthquake • Etymology: 1900–05 … From formal English to slang
foreshock — /ˈfɔʃɒk/ (say fawshok) noun a lesser shock preceding the main shock of an earthquake …
foreshock — noun a tremor preceding an earthquake • Hypernyms: ↑tremor, ↑earth tremor, ↑microseism … Useful english dictionary
Aftershock — Part of a series on earthquakes Types Foreshock • Aftershock • Blind thrust Doublet • Interplate … Wikipedia
2008 Chino Hills earthquake — 2008 Chino Hills earthquake … Wikipedia
fore- — combining form Etymology: Middle English for , fore , from Old English fore , from fore, adverb 1. a. earlier ; beforehand < foresee > b. occurring earlier ; occurring beforehand < foreshock > 2 … New Collegiate Dictionary
