THE sound of an alarm wailed inside an 8 x 7-meter room. The siren has a revolving yellow light. At the same time, an SMS text message reaches the cellphones of high-ranking officials at the Agency for the Assessment & Application of Technology (BPPT) and the Head of the Indonesian Tsunami Buoy Program.

This series of activities is a procedure which will go into effect whenever a tsunami may hit the south coast of West Java and the north of East