Prévention des risques naturels en Polynésie française : tsunami


How to prepare
IN THE EVENT OF A TSUNAMI Good evening. Thousands of Chileans were abruptly
awoken by a violent earthquake measuring 8.8 on the Richter scale, one of the worst to ever strike
the country. When an earthquake strikes
in the Pacific, the Tahiti geophysical laboratory
can determine whether or not there is
a risk of a tsunami. If the risk is confirmed, the alert is given by sirens present in each commune. An alert sounds three times a minute. Radios and televisions
interrupt programs to give information. You have between 1 and 10 hours
to get organized. Prepare one piece of luggage. Pack food, documents
and any important drugs. Calmly walk to the planned refuge area and stay tuned for information. If you are on the west coast of Tahiti
or protected by a lagoon, just go up to a height of 3 m. In the Tuamotu, find a high spot. The east coast will be hardest hit, at Rurutu and in the bays
from Moorea and Huahine. Climb, then, to a height of 10 m. In the Marquesas, climb to 20 m. Stay tuned to the radio for an end-of-alert announcement. A tsunami has several waves. A 30-second blast
signals the end of the alert. An immediate evacuation means moving away from the coast
and uphill without delay. In case of tsunamis,
the risks are very real, but if you are well prepared,
the worst can be avoided.

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