Detecting the Earthquake Excited Spheroidal Free Oscillation of the Earth by Use of Observational Da

• 作 者: Fang Yanxun Bian Genfa Hui Ruo
• 机 构: HuzhouSeismicStation,EarthquakeAdministrationofZhejiangProvince,BureauofEarthquakePreventionandDisas
• 出 处: 中国地震研究：英文版
• 发表日期: 2016年4期
• 关键词: 自由振荡 地震激发 地球内部 观测资料 地震台 湖州 英文 探测 Pendulum tiitmeter Water tube tiitmeter Exten
• 基金项目: funded by the“Three-in-One” subject of China Earthquake Administration（201324）, the Science and Technology Projects of Earthquake Administration of Zhejiang Province（2015ZJJ03）

By using the digital observations of the pendulum tiltmeter, water tube tiltmeter,extensometer and volumetric strainmeter at Huzhou station and with the power spectrum density estimation method,we acquired the_0S_5-_0S_50 fundamental sphere free oscillati