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MrRissso [65]
3 years ago
13

When is a tsunami alert declared?​

History
1 answer:
Elena-2011 [213]3 years ago
5 0

Answer:

Tsunami “Watch” and “Warning” A Tsunami Watch is automatically declared by the Pacific Tsunami Warning Center ( PTWC ) for any earthquake magnitude 7.5 or larger (7.0 or larger in the Aleutian Islands) if the epicenter is in an area capable of generating a tsunami.

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