Tsunami/Phase 1/Lesson2 2

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Natural warning signals
Natural warning signals are of key importance in responding to a tsunami and in many cases may be the only warnings possible. One of the most important aspects of your job as a Survival Agent will be to look out for natural warning signs so that when a tsunami is about to occur you have the foresight to warn people of the danger.

Natural warning signals include:


 * Strong earthquake shaking (it’s really hard to stand up)
 * Weak, rolling earthquake shaking of unusually long duration (a minute or more)
 * Out of the ordinary sea behavior, such as an unusual and sudden sea level fall or rise (“the sea’s going out!”)
 * The sea making loud and unusual noises, especially roaring like a jet engine.


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