Within 1 to 3 years after four M(subscript S)5 earthquakes, Xinjiang seismicity trends to increase remarkable, and mid-strong earthquake activity in middle Tienshan region could trigger seismicity surrounding Xinjiang.

• 4次5级地震后的1~3年，新疆地震活动呈明显增强趋势，中天山地区中强地震活动对周边地区中强地震活动会产生触发作用。