"The students were entered by a third party, " claims an activist at the University of North Sumatra.

CNN: MEDAN'S MADNESS

In return its members (some 300, 000 in north Sumatra) provide protection services to private homes or businesses in the area.

CNN: MEDAN'S MADNESS

The government has clearly learnt some lessons from the much larger earthquake off the coast of north Sumatra in December 2004, which triggered a huge tsunami and killed more than 150, 000 people in Aceh province and another 60, 000 in a dozen countries around the Indian Ocean.

ECONOMIST: This time the president knew what he had to do

Exercise IOWave11 re-enacted the 26 December 2004 earthquake event, with a 9.2 magnitude earthquake off the North West coast of Sumatra (Indonesia), followed by an ocean-wide tsunami.

UNESCO: THEMES

The scenario established for the "Exercise IOWAVE 11" re-enacts the events of 26 December 2004, with a 9.2 magnitude earthquake off the North West coast of Sumatra (Indonesia), followed by an ocean-wide tsunami.

UNESCO: Social and Human Sciences