GENERAL NOTES ABOUT TSUNAMI ALERTS:
Information Statements are issued by
the Tsunami Warning Centers when a strong earthquake has occurred but is
unlikely to generate a tsunami in this area. A tsunami near the
point of origin may be possible, but it is not likely to propagate beyond
the immediate surroundings.
Tsunami Watches are issued when an earthquake has occurred that is
strong enough to have produced a tsunami, but there is no confirmation.
The Tsunami Warning Center will investigate, and issue an ADVISORY or
WARNING if observations show a tsunami has been generated that will impact
Tsunami Advisories mean a tsunami has been generated but the impact
locally should not extend beyond the high water line (shoreline).
Inundation beyond the beach is not expected. Hazardous currents can
occur, and the recommended action is to stay off docks and piers and away
from the beach.
Tsunami Warning means inundation beyond the shoreline is very
possible (the distance inshore depends on the size of the approaching wave
energy). It is not usually known in advance how far inland the
inundation will go, but the best safety margin is inland and uphill to a
location more than 50 feet above sea level. Remember, the first wave
may not be the highest, and damaging wave action can continue for several