foreshock
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English[edit]
Etymology[edit]
Noun[edit]
foreshock (plural foreshocks)
- (geology) A small earth tremor which precedes the mainshock in an earthquake sequence. Not all mainshocks have foreshocks.
- Any shock or disturbance that precedes an event
- 1991, D. Roderick Kiewiet, Mathew D. McCubbins, The Logic of Delegation - Page 88:
- The FY 1981 increases in defense — something of a "foreshock" to the rapid rise in defense spending over the next several years — were prompted by the fall of the Shah in Iran and the Soviet invasion of Afghanistan.
Antonyms[edit]
Translations[edit]
tremor preceding the mainshock in earthquake
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