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????????1966??????????????????????????????????????????????????Σ???????????CHAMP?????????????????????????????????????????? EIGEN-CHAMP03S??EIGEN-3P????????????г????????EIGEN-1S??EIGEN-2??EIGEN-3P??EIGEN-CHAMP03S????????????????????????????????????GRACE????????????????GGM02S??WHIGG-GEGM01S????????????????????????????????????????????????CHAMP??GRACE?????????????????????????????EIGEN-CG01C??EIGEN-CG03C??EIGEN-GL04S1??EIGEN-5C?????????????EIGEN-GRACE01S??EIGEN-GRACE02S??GGM01S??GGM02S??WHIGG-GEGM01S??GRACE-only????     

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????????λ???????????(111??120??E??35??42??N)1993??2004??6 771?ε???1.0??M??6.6???????λ???????λ???????????????????????????????????????????????;???o?????·???????????????????????????б???????????????????????????????????20 km????60 km???????25 km??34 km?????40 km;83%???????????λ??0??15 km??Χ?????????????λ???????????????(7??21 km)????????????????????????????????????????????????;???92%???????????λ??1??24 km??????24 km??????????????????????硣     

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?????????????????????2007??9??12??????????????M8.5??2011??3??11???????M9.0??2008??5??12??????M8.0????2008??9-11????????????????????о?????????????λ???仯?????????????????????????λ???Ч?????????????????????????     

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COMPASSα�൥�㶨λ���ȷ���

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?????й??????????????1992~2005??382??GPS???????????????????????????????????????????????????????????????????仯?????????????????????????????????С?????з?α仯??????:???????72??E??77??E???????????20??1 mm/a?????????77 ??E??82??E???????????12??1 mm/a?????????82??E??92??E?????????????5 mm/a????????????????????????????12 mm/a?????????????????????????????????????82??E???????????????????λ??????????????????Σ????????????????????????????????????????82??E???????????????????????????????????????????????????????????????α??????????????????????????????????Щ?α???????????????????????????С?????????????????????仯????????????????????????????к?????????????????????????????????????????????????Ρ????????????????????????????????????????????????β???????????????????????????????????????????????????????????75??E?????????伷??????17 mm/a???????????????????????????????????75??E???????????????????ε?????????????????????????????     

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???????????1990??1997??1997??2003??1994??2006??????????????????????λ??????о???Ms8.0???????????Ms6.1?????????????????????????????????????????????????????????????????????????μ???????????????????????????????????????μ??Χ??????????????????10???????????????????????????????????????????????????????1997??2003?????????????????????????????????????????     

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????1999??2007??2009??2011???GPS???????????????????1999??2007????????????????????????????????????????С?????????С????????????2009??2011???????????????????????????????????????????????????????????????????????? 1999??2007?????????????60??10 ^-9/a??λ??????????山?????????-????????-???????????????????????2009??2011??????????????????????????????????????????????????????????С?????????Χ????????????60??10 ^-9/a??????????1999??2007???????????????????????????????????????????????????????????????????????2009??2011?????????η????????????????????????????????????20??10 ^-9 rad/a??С??4??10 ^-9 rad/a?????????????????????4??10 ^-9 rad/a????25??10 ^-9 rad/a?????????????????????????????????????40??10 ^-9 rad/a????Щ???????????????????α???????     

�ٰ�2004��Ms6.7��2005��Ms6.5�����InSAR�۲⼰�α����

???????Envisat??????????????2004??7??12???2005??4??8?????????Ms6.7??Ms6.5?????InSAR????α??????????????ε????????????20 km??20 km??Χ???EW?????????Σ??????η???19.0 cm??30.5 cm???????????????????????????ε???????????????????????,????λ??83.71??E,30.70??N,??Mw6.1,83.72??,E30.52??N????Mw6.2??????????????? 1 m??1.4 m?????ε??????????NW?????3?????????????NS?????????-????????????λ     

1998��2004����������������ݻ���Ms��6.0����

???????????鳡1998??2004??????????????????????о??????????????仯?????????????????????????????仯????????????2001??10?????6.0??2001??1?????6.5??2003??7?′??6.2??2003??10?′??6.1????????н???????     

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????????-???????????????1999??2001??2004??2007??2008??2009??6??143??GPS?????????????????????1999??2009??????-???????????α?????????????????С???????÷???????????????????????α?????????α??????????:1???????????飬??????????仯?5~6 mm/a??2??????-?????????????2.0 mm/a??????????????????????????25~45 km??3???о???????????????3??10 ^-8/a??????????????????????????????