In the context of disaster notification, the alert message is a scripted description of the disaster and consists of just enough information so that each response knows what port of the Dr plan to implement. These messages along with the advance notice messages are produced by the seaside control sensors, profound sea stations, or seismic focuses.
A fast-beginning fiasco alludes to an occasion or danger that happens unexpectedly, with minimal advance notice, ending the existences of individuals, and obliterating financial designs and material assets. Fast-beginning fiascos might be brought about by tremors, floods, storm winds, twisters, or mud streams. The after-activity survey is a definite assessment of the occasions that happened from the first location to conclusive recuperation.
Hence option (D) is correct.
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