震中区 meaning in English

epicentral area
epicentral region
epicentralarea
epicentralregion

Determine the scope of the [ impending ] earthquake . how large will the epicentral area be
确定即将来临的地震的范围。震中区有多大？
Basic characteristics of current strain field in the epicentral area of xingtai , bohai , haicheng and tangshan strong earthquake
海城和唐山大地震震中区现今应变场的基本特征
It is apparent that in general li ' s mind that ( 1 ) the large earthquake would surely occur ( “ how large will the epicentral area be ? ”
显然，在李将军的头脑中， ( 1 )一个强震肯定将发生“震中区有多大？ ”