jgg     2009 29 (增刊):  72-75    ISSN: 0412-1961  CN: 21-1139/TG ANALYSIS OF DIGITALIZED WATER TUBE TILTMETER DATA AT XIANMEN SEISMOSTATION Huang Xiaohua 1) ; Chen Chuanchang 2) ; Chen Zhiyong 3) and Lin Lifeng 1) 1)Xiamen Seismostation，Earthquake Administration of Fujian Province，Xiamen 3610032)Nanping Seismostation，Earthquake Administration of Fujian Province，Nanping 3530003)Earthquake Administration of Fujian Province，Fuzhou 361003 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null