l Professor John MacCloskey, from the Research Institute of environmental sciences of the University of Ulster warned about the danger of causing a large magnitude earthquake in Indonesia. This is due to that failure has been accumulating tension from the year one thousand seven hundred and ninety-seven and since, this region suffers a large magnitude earthquake every two centuries, this fault would be on the verge of breaking. He clarified that one of the areas most prone to being devastated is Padang, with a population of one million inhabitants, which was razed in the previous tsunami. His colleague, Indonesian seismologist Fauzi, director of Indonesia’s geophysics and Meteorological Agency has also warned about the possibility of causing an earthquake located on the 8, 5 Richter scale, in the Mentawai Islands, next to Sumatra with the consequent possibility of producing a tsunami similar to the one which occurred in the year two thousand four. According to Kerry Sieh, director of the Earth Observatory of Singapore Lo more likely is to occur in the coming decades. Within thirty seconds and within thirty years. No expert can predict it. Importantly then, measures which Governments should take to minimize the number of victims in the region.. .