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。