Tsunami Watch/Warning
Issued by NWS Pago Pago
Issued by NWS Pago Pago
000
WEZS40 PHEB 041930
TSUPPG
ASZ001>003-042130-
/O.NEW.PHEB.TS.Y.0004.221204T1930Z-000000T0000Z/
BULLETIN
TSUNAMI MESSAGE NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
830 AM SST SUN DEC 04 2022
...A TSUNAMI ADVISORY IS NOW IN EFFECT FOR AMERICAN SAMOA...
AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC
EVALUATION
----------
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.9 OCCURRED
ABOUT 127 MILES SOUTH OF UPOLU ISLAND AT 824 AM SST ON
SUNDAY DECEMBER 4 2022.
* A HAZARDOUS TSUNAMI MAY HAVE BEEN GENERATED BY THIS NEARBY
EARTHQUAKE THAT COULD SOON IMPACT NEARBY COASTS.
* MONITORING IS UNDERWAY TO EVALUATE THE TSUNAMI THREAT.
* SOME AREAS MAY HAVE EXPERIENCED VERY STRONG SHAKING.
* A TSUNAMI WAS GENERATED BY THIS EARTHQUAKE. BASED ON ALL
AVAILABLE DATA... THERE IS A THREAT TO AMERICAN SAMOA OF SEA
LEVEL FLUCTUATIONS AND STRONG OCEAN CURRENTS THAT COULD BE A
HAZARD ALONG BEACHES... IN HARBORS... AND IN COASTAL WATERS.
* THE EARLIEST ESTIMATED TIME THAT HAZARDOUS SEA LEVEL
FLUCTUATIONS AND STRONG OCEAN CURRENTS MAY BEGIN IN AMERICAN
SAMOA IS
843 AM SST ON SUNDAY DECEMBER 04 2022
RECOMMENDED ACTIONS
-------------------
* PERSONS IN OR NEAR THE OCEAN ALONG THE COASTS OF ALL OF
AMERICAN SAMOA SHOULD MOVE IMMEDIATELY OUT OF THE WATER AND
AWAY FROM BEACHES AND HARBORS.
* DO NOT RETURN TO EVACUATED AREAS UNTIL THE ALL CLEAR IS GIVEN
BY LOCAL AUTHORITIES.
* PERSONS IN THE OCEAN SHOULD GET OUT OF THE WATER. PERSONS
NEAR THE OCEAN SHOULD MOVE AWAY FROM BEACHES AND HARBORS.
* FOLLOW ANY INSTRUCTIONS FROM GOVERNMENT AGENCIES.
ESTIMATED TIMES OF ARRIVAL
--------------------------
* ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE
ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE
INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES
OF WAVES AND THE TIME BETWEEN WAVES CAN BE FIVE MINUTES TO
ONE HOUR.
LOCATION REGION COORDINATES ETA(SST)
----------------------------------------------------------
TAFUNA TUTUILA 14.3S 170.7W 843 AM 12/04
LEONE TUTUILA 14.3S 170.8W 844 AM 12/04
FAGAMALO TUTUILA 14.3S 170.8W 844 AM 12/04
AMANAVE TUTUILA 14.3S 170.8W 844 AM 12/04
FAGASA TUTUILA 14.3S 170.7W 846 AM 12/04
VATIA TUTUILA 14.2S 170.7W 847 AM 12/04
PAGO PAGO TUTUILA 14.3S 170.7W 847 AM 12/04
AUMI TUTUILA 14.3S 170.7W 847 AM 12/04
AUNUU ISLAND AUNUU 14.3S 170.6W 849 AM 12/04
TULA TUTUILA 14.3S 170.6W 851 AM 12/04
MASEFAU TUTUILA 14.3S 170.6W 851 AM 12/04
PAGAI TUTUILA 14.3S 170.6W 851 AM 12/04
OFU ISLAND MANUA 14.2S 169.7W 854 AM 12/04
OLESEGA ISLAND MANUA 14.2S 169.6W 854 AM 12/04
TAU ISLAND MANUA 14.3S 169.5W 854 AM 12/04
SWAINS ISLAND SWAINS 11.1S 171.1W 910 AM 12/04
POTENTIAL IMPACTS
-----------------
* SEA LEVEL FLUCTUATIONS THAT ARE GENERALLY NO MORE THAN 3 FEET
ABOVE AND BELOW THE TIDE LEVEL.
* MINOR FLOODING OF BEACH AND HARBOR AREAS.
* STRONG AND UNUSUAL OCEAN CURRENTS IN HARBORS... BAYS... AND
OTHER NEAR SHORE WATERS.
* THE HAZARD IS FORECAST TO BEGIN AROUND 843 AM SST ON SUNDAY
DECEMBER 04 AND IT CAN PERSIST FOR MANY HOURS OR LONGER.
PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* MAGNITUDE 6.9
* ORIGIN TIME 824 AM SST DEC 04 2022
* COORDINATES 15.7 SOUTH 172.6 WEST
* DEPTH 20 MILES
* LOCATION ABOUT 127 MILES SOUTH OF UPOLU ISLAND
NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* THE NEXT MESSAGE WILL BE ISSUED IN THIRTY MINUTES... OR
SOONER IF THE SITUATION WARRANTS.
* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE
INTERNET AT WWW.TSUNAMI.GOV.
* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
EARTHQUAKE.USGS.GOV.
$$