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foreshock
(redirected from foreshocks)

   Also found in: Encyclopedia, Wikipedia 0.02 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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He and seismologist Lucy Jones have noted patterns between foreshocks and earthquakes.
He also focuses on the unusual pattern of foreshocks and altershocks.
As for the estimate from seismologists that there is a 5 percent chance that the weekend aftershocks are actually foreshocks to a larger earthquake, Sheridan said she can't worry about it.
 
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