Definition of foreshock in English:

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foreshock

Pronunciation: /ˈfɔːʃɒk/

noun

A mild tremor preceding the violent shaking movement of an earthquake: a foreshock had been reported before the 1966 earthquake
More example sentences
  • Probably the most spectacular example was the short-term prediction of the 1975, M 7.3, Haicheng earthquake by the Chinese, based on earthquake foreshocks, unusual animal behaviour, and a few other precursors.
  • Sensor data from the National Oceanic and Atmospheric Administration pinpointed the time and location of foreshocks and earthquakes.
  • It was later discovered, though, that a rare series of small tremors, called foreshocks, occurred before the large quake hit the city.

For editors and proofreaders

Line breaks: fore|shock

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