Provided is a technology capable of widening the detection and prediction range of disaster and increasing precision. In a disaster response system, each disaster-sensing device has multiple sensors obtaining each of the multiple kinds of measurement data at the arrangement position in a chronological order, a detection processing section processing at least one kind of measurement data obtained by at least one of the multiple sensors and generating detection index data of disaster generation detection, a prediction processing section processing the multiple kinds of measurement data obtained by the multiple sensors in a chronological order and generating prediction index data of disaster generation prediction, and a wireless communication section transmitting a wireless signal indicating at least one of the detection index data and the prediction index data. A server device has an information collection section receiving, from a relay device, the detection index data at each arrangement position and the prediction index data at each arrangement position sent from each disaster-sensing device.
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