GDB shows that /usr/lib/libexpat.so.1 crashes trying to parse an XML file. Searching with Google I have discovered that the file is /etc/fonts/conf.d/65-fonts-persian.conf (a symbolic link to /etc/fonts/conf.avail/65-fonts-persian.conf). Removing that symbolic link, GoogleEarth 7 starts correctly ... but ...
It is very slow. It crashes on exit. Panoramio photos are displayed but, clicking on them, nothing happens. Missing a lot of features available in the Windows version. The "coordinates bug" has come back for non US/EN users (GE displays the wrong location).
In short, as usual, GE for Linux is pure garbage!
To solve the coordinates bug: edit (as root) the script /opt/google/earth/free/googleearth before the line LD_LIBRARY_PATH=.:$LD_LIBRARY_PATH ./googleearth-bin "$@" add