fore-shockn.

Brit.

/ˈfɔːʃɒk/, U.S.

/ˈfɔrˌʃɑk/

Etymology: fore- prefix 2c.

Seismology.

A lesser shock preceding the principal shock of an earthquake.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > convulsion > [noun] > earthquake > shock > lesser shock

aftershock1755

fore-shock1902

1902 Q. Jrnl. Geol. Soc. 58 393 (heading) Fore~shocks of 1901.

1959 Times 3 Jan. 4/1 It is not uncommon to have a preliminary or ‘foreshock’ followed by the main shock.

1970 Nature 18 July 317/2 Small local foreshocks and aftershocks which often precede and follow larger earthquakes.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022).

单词	fore-shock
释义	fore-shockn. Brit. /ˈfɔːʃɒk/, U.S. /ˈfɔrˌʃɑk/ Etymology: fore- prefix 2c. Seismology. A lesser shock preceding the principal shock of an earthquake. ΘΚΠ the world > the earth > structure of the earth > formation of features > convulsion > [noun] > earthquake > shock > lesser shock aftershock1755 fore-shock1902 1902 Q. Jrnl. Geol. Soc. 58 393 (heading) Fore~shocks of 1901. 1959 Times 3 Jan. 4/1 It is not uncommon to have a preliminary or ‘foreshock’ followed by the main shock. 1970 Nature 18 July 317/2 Small local foreshocks and aftershocks which often precede and follow larger earthquakes. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022). < n.1902
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