According to the CGS, tsunamis are a series"of extremely long waves caused by a large and sudden displacement of the ocean ," which radiate out from the starting point in all directions."As they enter shallow water near land, they slow to approximately 20 or 30 mph, which is still faster than a person can run," the CGS says. And as they slow down, they get taller.
Planning ahead in the case of a tsunami advisory or tsunami warning is important, especially for parts of the coastline that are at a higher flood risk. The interactive maps, embedded below, allow you to put in your address -- or the address of a place you visit frequently -- and search, to see how quickly flooded that area might be in the event of a tsunami.
Residents of Long Beach, along Huntington Beach, or those further north in Santa Monica may be living in the hazard zone along the coast.
Beware of the great tsunami! Not 1-3 foot waves... 🙄
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