【摘要】 东方震群历时２７３天，共发生ＭＬ≥１．０级地震５５７次，最大震级为４．５级。介绍了对该震群跟踪分析与预报的过程和方法，震群各活动阶段的判断以及相应的地震对策依据。更多还原

【Abstract】 The Dongfang earthquake swarm lasted 273 days in that period 557 earthquakes(ML≥1)occurred and the maximum magmitude of them was ML=4.5.In this paper,the ways of tracing analysis and prediction of earthquakes,judgement of each seismicity stage and the basis of earthquake countermeasure are described.更多还原