An Algorithm for Detecting Low- frequency Seismic Events and Preliminary Applications

• 作 者: Liang Jianhong Liu Jie Yang We
• 机 构: ChinaEarthquakeNetworksCenter,InstituteofEarthquakeScienCEA
• 出 处: 中国地震研究：英文版
• 发表日期: 2015年3期
• 关键词: 地震事件 测算法 应用 低频 带通滤波器 波形提取 事件检测 NVT Slow earthquake Seismic waveform Envelope med
• 基金项目: Received on February 24, 2014, revised on April 20, 2014. This research was funded by the National Science ＆ Technology Pillar Program in the 12th ＂Five-year Plan＂ Period, China （2012BAKI9B02）.

An algorithm for detecting low-frequency seismic events is developed and applied to the detection of low-frequency events before the 2008 Wenchuan and the 2013 Lushan earthquakes. Continuous vertical-component waveforms of some broadband stations in the f