TWC σ is an algorithm that tries to detect the multiple outbreaks of an unknown event, starting from N geo-referenced entities, each one measuring the intensity of that Event.
xi=signal power receiver.
Figure: A, Data. B, Map of the dataset with the hidden sources (green). C, Map of the dataset that the TWC σ ANN elaborates reconstructing the source positions (red area =the sources position estimation, green points = the real position of the sources).