shallow focus

in west region are mainly intermediate and deep-focus earthquakes, while in east region are all shallow focus ones.

西区发生的地震主要为中、深源地震，而东区发生的地震则全部为浅源地震；

mechanism of earth dynamics of synchronous activity for deep focus and shallow focus earthquakes in northeast china

东北深源和浅源地震同步活动的地球动力机制

the recording feature and the hypocenter parameter determination of the shallow focus earthquakes in western china are described from the aspect of the quick report of strong earthquakes, then discusses the magnitude abnormality of yunnan earthquake.

从温州台大震速报的角度叙述了我国西部地区浅源地震的记录特征及震源参数测定，并对云南地震的震级异常进行了讨论。

evison ( 1963) put forward chemical phase transitions as generators of even shallow focus shocks.

埃文森（1963年）提出的化学相变是产生地震的原因，即使是浅源地震也是这样。

taking six great earthquakes occurred recently in china as examples a kind of rupture mode of great continental earthquake with shallow focus is discussed.

本文讨论的是大陆型浅源大地震的一种构造活动方式。