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Tsunamis, also known as seismic sea waves, are most common along
the Pacific coast, but can strike anywhere along the U.S. coastline.
Tsunamis are enormous waves caused by an underground disturbance
such as an earthquake. They can move hundreds of miles per hour,
and hit land with waves topping 100 feet in height.
- Understanding the difference between the terms that identify
a tsunami hazard: advisory, watch and warning. Visit FEMA's
Tsunami webpage for a detailed explanation of Tsunami terms.
- Plan to act quickly.
- If you are in coastal waters and notice a dramatic recession
of water from the shoreline you should heed nature's warning that
a tsunami is approaching.
- Move inland immediately and do not return to the flooded and
damaged areas until officials say it is safe to do so.
- Visit NOAA Watch for
more weather-related information.
- Find out how to keep food safe during and after and emergency
by visiting www.FoodSafety.gov.
Stay informed
Local authorities may not immediately be able to provide information
on what is happening and what you should do. However, you should
listen to NOAA Weather Radio,
watch TV, listen to the radio or check the Internet often for official
news and instructions as they become available.
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