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Lead centre: LIRNEasia - Contact: Ayesha Zainudeen
Hazards arise in the physical world. The hazard, if it is witnessed by human beings is warning in itself; the advice that is given to the citizens of Hawai'i about local tsunamis that may be created by proximate earthquakes exemplifies this: "your feet are your signal; if you feel an earthquake, head for high ground." If the hazard goes unnoticed by humans and the detection devices employed by humans, like an underwater landslide for instance, the hazard could not only become a disaster, but it would go undetected by the human world. The aim of disaster warning is to prevent a hazard from becoming a disaster. In order to accomplish this, accurate and credible warning must be communicated to the vulnerable population as rapidly as possible, as far in advance of the physical effects as possible. That is, the physical occurrence must be represented in the symbolic world as soon as possible. |
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