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foreshock

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
fore·shock  (fôrshk, fr-)
n.
A minor tremor of the earth that precedes a larger earthquake originating at approximately the same location.

foreshock [ˈfɔːˌʃɒk]
n
(Earth Sciences / Geological Science) a relatively small earthquake heralding the arrival of a much larger one. Some large earthquakes are preceded by a series of foreshocks Compare aftershock
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.foreshock - a tremor preceding an earthquake
earth tremor, microseism, tremor - a small earthquake


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Since we don't have enough data on the exact happenings inside the Earth's crust to be more precise, we must resort to working out the odds of one shock being a foreshock of a larger quake or not, based on what's happened before," she added.
11, Hurricane Katrina, the financial meltdown, and the current economic recession are the foreshocks revealing a deep crisis in our nation.
Hutton said the chance of the quake being a foreshock to a bigger temblor were five percent.
 
 
 
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