What are the types of tsunami warnings in Vietnam?
In Article 22 of Decision 03/2020/QD-TTg, the types of tsunami warnings in Vietnam are specified as follows:
- Tsunami warnings are classified into 3 degrees:
+ First-degree tsunami warning: issued as soon as detecting strong earthquakes, probability of tsunamis, and readiness for evacuation is advised;
+ Second-degree tsunami warning: issued as soon as detecting non-destructive tsunamis, rough and damaging waves in coastal areas are to be aware of, readiness for evacuation is advised;
+ Third-degree tsunami warning: issued as soon as detecting destructive tsunamis, immediate evacuation is required.
- Cancellation of tsunami warnings
Cancellation of tsunami warning shall be produced when tsunamis do not occur as forecasted.
- Final tsunami broadcast
The final tsunami broadcast shall be produced when the tsunami completely disappears.
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