Low-Latitude Atmosphere-Ionosphere Effects Initiated by Strong Earthquakes Preparation Process

<table>Latitudinal profiles of the critical frequency <i>foF2 </i>close to the epicentral longitude (Intercosmos-19 topside sounder data). Dashed black line: 19 May, color lines: 21–27 May 1980 (see legends in the figure).</table>

International Journal of Geophysics

fig5

Figure 5

Figure 5: Low-Latitude Atmosphere-Ionosphere Effects Initiated by Strong Earthquakes Preparation Process 