Last year in Feb 2012, a ship off the Kenyan coast of Africa cut undersea (submarine) network cables. This extrodinary event started when three cables were cut:
Ten days later, the East African Marine Systems (TEAMS) cables were cut by a ship anchored in restricted waters. The outage affect 9 countries (Register, 2012).
These outages, whether they are malicious sabotage attacks, or simply an accident, severed lines affect communications and ecommerce in these emerging markets.
The 2013 interactive submarine cable map shows where the cable trunks are located. The map can zoom in on specific locations around the globe and even includes a latency table of the source and destination connections.