bn:00035863n
Noun Concept
Categories: M w, Articles with short description, Types of earthquake, Seismology
EN
foreshock  foreshocks
Definitions
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Sources
EN
A foreshock is an earthquake that occurs before a larger seismic event and is related to it in both time and space. Wikipedia
Earthquake that occurs before the larger mainshock, and is related to the latter in both time and space Wikidata
A small earth tremor which precedes the mainshock in an earthquake sequence. Not all mainshocks have foreshocks. Wiktionary
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