A TSUNAMI WITH SIGNIFICANT WIDESPREAD INUNDATION OF LAND IS EXPECTED.

[Socal31]

5. Read the whole page in your link.

It says to refer to local authorities, who posted the information in OP.

Update:

WEAK51 PAAQ 050930
TSUAK1

BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 2
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1230 AM AKST SAT JAN 5 2013

THE MAGNITUDE HAS BEEN MODIFIED TO 7.6. THE WARNING AND
ADVISORY REGIONS REMAIN THE SAME.

...THE TSUNAMI WARNING REMAINS IN EFFECT...


...THE TSUNAMI ADVISORY REMAINS IN EFFECT...


WARNINGS/ADVISORIES/WATCHES
---------------------------
TSUNAMI WARNING IN EFFECT FOR...

* THE COASTAL AREAS OF BRITISH COLUMBIA AND ALASKA FROM THE
NORTH TIP OF VANCOUVER ISLAND BRITISH COLUMBIA TO CAPE
SUCKLING ALASKA/LOCATED 75 MILES SE OF CORDOVA/


TSUNAMI ADVISORY IN EFFECT FOR...

* THE COASTAL AREAS OF BRITISH COLUMBIA FROM THE
WASHINGTON-BRITISH COLUMBIA BORDER TO THE NORTH TIP OF
VANCOUVER ISLAND BRITISH COLUMBIA

* THE COASTAL AREAS OF ALASKA FROM CAPE SUCKLING
ALASKA/LOCATED 75 MILES SE OF CORDOVA/ TO KENNEDY ENTRANCE
ALASKA/LOCATED 40 MILES SW OF HOMER/


IMPACTS FOR TSUNAMI WARNING AREAS
---------------------------------
* A TSUNAMI WITH SIGNIFICANT WIDESPREAD INUNDATION OF LAND IS
EXPECTED.

* WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL
CURRENTS IS POSSIBLE AND MAY CONTINUE FOR MANY HOURS AFTER
TSUNAMI ARRIVAL.

* THE FIRST WAVE MAY NOT BE THE LARGEST.


IMPACTS FOR TSUNAMI ADVISORY AREAS
----------------------------------
* A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS
TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED.

* CURRENTS MAY BE HAZARDOUS TO SWIMMERS... BOATS... AND COASTAL
STRUCTURES AND MAY CONTINUE FOR MANY HOURS AFTER THE TSUNAMI
ARRIVAL.

* THE FIRST WAVE MAY NOT BE THE LARGEST.


RECOMMENDED ACTIONS
-------------------
* IF YOU ARE IN A WARNING AREA - MOVE INLAND TO HIGHER GROUND.

* IF YOU ARE IN AN ADVISORY AREA - MOVE OFF THE BEACH AND OUT OF
HARBORS AND MARINAS. WIDESPREAD INUNDATION OF LAND IS NOT
EXPECTED FOR ADVISORY AREAS.

* BE ALERT TO INSTRUCTIONS FROM YOUR LOCAL EMERGENCY OFFICIALS.

* DO NOT GO TO THE COAST TO OBSERVE THE TSUNAMI.

* DO NOT RETURN TO THE COAST UNTIL LOCAL EMERGENCY OFFICIALS
INDICATE IT IS SAFE TO DO SO.


FORECASTS AND/OR OBSERVATIONS OF TSUNAMI ACTIVITY
-------------------------------------------------
FORECAST
START OF
SITE OF TSUNAMI
---- ----------

* BRITISH COLUMBIA
LANGARA 0132 PST JAN 5
TOFINO 0317 PST JAN 5

* ALASKA
SITKA 0045 AKST JAN 5
ELFIN COVE 0056 AKST JAN 5
CRAIG 0116 AKST JAN 5
YAKUTAT 0145 AKST JAN 5
SEWARD 0225 AKST JAN 5
VALDEZ 0239 AKST JAN 5
CORDOVA 0248 AKST JAN 5
HOMER 0339 AKST JAN 5


PRELIMINARY EARTHQUAKE PARAMETERS - UPDATED
-------------------------------------------
* MAGNITUDE 7.6
* ORIGIN TIME 2358 AKST JAN 04 2013
0058 PST JAN 05 2013
0858 UTC JAN 05 2013
* COORDINATES 55.3 NORTH 134.9 WEST
* DEPTH 3 MILES
* LOCATION 95 MILES NW OF DIXON ENTRANCE ALASKA
205 MILES S OF JUNEAU ALASKA


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* THIS MESSAGE WILL BE UPDATED IN 30 MINUTES.

* REFER TO THE INTERNET SITE WCATWC.ARH.NOAA.GOV FOR MORE
INFORMATION.

* PACIFIC COASTAL RESIDENTS OUTSIDE CALIFORNIA... OREGON...
WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE
PACIFIC TSUNAMI WARNING CENTER MESSAGES FOR INFORMATION ON THIS
EVENT AT PTWC.WEATHER.GOV.