| 释义 |
ˈfore-shock Seismology.
[fore- prefix 5.]
A lesser shock preceding the principal shock of an earthquake.
1902Q. Jrnl. Geol. Soc. LVIII. 393 (heading) Fore⁓shocks of 1901. 1959Times 3 Jan. 4/1 It is not uncommon to have a preliminary or ‘foreshock’ followed by the main shock. 1970Nature 18 July 317/2 Small local foreshocks and aftershocks which often precede and follow larger earthquakes. |