jgg     2013 33 (增1):  68-70    ISSN: 0412-1961  CN: 21-1139/TG STUDY ON ACCURATE RELOCATION OF EARTHQUAKES NEAR  ZIGUI COUNTY IN THREE GORGES 1） Key Laboratory of Earthquake Geodesy, Institute of Seismology, CEA, Wuhan 430071 2） Wuhan Base of Institute of Crustal Dynamics, CEA, Wuhan 430071 3） Institute of Geophysics, CEA, Beijing 100081 Received: 2013-02-26  Revised: null  Online: 2013-09-25 Supporting info