一种可能的地震成因模型

A POSSIBLE SEISMOGENIC MODEL

提出了一种地震成因模型。认为不仅水库地震、矿震等是被人类工程活动诱发的 ,其它地震也很可能有诱发因素起作用。这种作用不仅仅是触发了地震 ,地震的孕育很可能也与其有关。诱发因素包括人类工程活动、地外天体的特殊位置、地球自转角速度的变化、气象异常等。这些因素对地壳产生了附加垂直力 ,后者引起局部地层弯曲 ,进而导致应力集中、构造应力作用方式的改变乃至地震发生。

A seismogenesis model is porposed in this paper.It is thought that not only the earthquakes due to injection of water into reservoirs, mining and other engineering practices are induced, but also“natural earthquakes” are reduced possibly by some factors. The factors generate a vertical force which make rock layers curving. Curved rock layers cause stress concentrating, and change the acting ways of structural stress on the layers. In these situation, a suitable non continual boundary layer ( faults, layer surfaces or fissurs) slips suddenly and earthquakes occur.