When is a tsunami alert declared?

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.

patriotism is when people have love and devotion for their country.

explanation:

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.