[Peroni]

Not just Armenia: In addition, areas of Georgia and Azerbaijan were also taken offline.

Much more detail in The Guardian article:

http://www.guardian.co.uk/world/2011/apr/06/georgian-woman-c...

[drtse4]

Here an interactive map: http://grt.ge/?m=static&s=6 , mouse over the nodes to display a summary of the available connections. See Armenia, Azerbaijan, etc... south of them.

[GrandMasterBirt]

The one wire to rule them all?

Seriously, invest into a second wire going overhead. Perhaps a third going a slightly different rout just incase.