Previous researches show that the total electron content （TEC） in the ionospheric exhibits anomalous disturbances a few days or hours prior to earthquakes. The paper used TEC data from Internet GPS Service （ IGS）,...Previous researches show that the total electron content （TEC） in the ionospheric exhibits anomalous disturbances a few days or hours prior to earthquakes. The paper used TEC data from Internet GPS Service （ IGS）, and examined 50 earthquakes of magnitude Ms ≥ 7.0 during 2007 - 2009 worldwide. The result shows significant anomalous increases and decreases about 7 days prior to 94% of the earthquakes.展开更多
基金supported by the National Key Technology R&D Program(2008BAC35B02)Director Teawdotion of Institute of seismology.CEA(IS200926039)
文摘Previous researches show that the total electron content （TEC） in the ionospheric exhibits anomalous disturbances a few days or hours prior to earthquakes. The paper used TEC data from Internet GPS Service （ IGS）, and examined 50 earthquakes of magnitude Ms ≥ 7.0 during 2007 - 2009 worldwide. The result shows significant anomalous increases and decreases about 7 days prior to 94% of the earthquakes.
