of Yunnan and Sichuan of China a series of anomalies
appeared, such as the intensifying of earthquake
activity, ground water anomalies, etc. For judging the
earthquake situation in this region, the regional GPS
network re-measurement was done from Jan to Feb,
2005. Based on the former researches, all the
re-measurement GPS data and the GPS data from a
few of relatively continuous observation stations are
processed and studied.