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Tsunami Watch/Warning
Issued by NWS Pago Pago
Issued by NWS Pago Pago
207
WEZS40 PHEB 042024
TSUPPG
ASZ001>003-042224-
/O.CAN.PHEB.TS.W.0002.000000T0000Z-000000T0000Z/
/O.NEW.PHEB.TS.Y.0002.210304T2024Z-000000T0000Z/
BULLETIN
TSUNAMI MESSAGE NUMBER 2
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
924 AM SST THU MAR 04 2021
...A TSUNAMI ADVISORY IS NOW IN EFFECT FOR AMERICAN SAMOA...
IN THIS MESSAGE ARE REVISED ALERTS... AND EARTHQUAKE PARAMETERS.
AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC
EVALUATION
----------
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.1 OCCURRED IN
THE KERMADEC ISLANDS REGION AT 828 AM SST ON THURSDAY MARCH
4 2021.
* 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.
* 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
1019 AM SST ON THURSDAY MARCH 04 2021
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 1019 AM 03/04
LEONE TUTUILA 14.3S 170.8W 1019 AM 03/04
FAGAMALO TUTUILA 14.3S 170.8W 1019 AM 03/04
FAGASA TUTUILA 14.3S 170.7W 1019 AM 03/04
AMANAVE TUTUILA 14.3S 170.8W 1019 AM 03/04
PAGO PAGO TUTUILA 14.3S 170.7W 1022 AM 03/04
VATIA TUTUILA 14.2S 170.7W 1022 AM 03/04
MASEFAU TUTUILA 14.3S 170.6W 1022 AM 03/04
PAGAI TUTUILA 14.3S 170.6W 1022 AM 03/04
AUMI TUTUILA 14.3S 170.7W 1022 AM 03/04
TULA TUTUILA 14.3S 170.6W 1022 AM 03/04
AUNUU ISLAND AUNUU 14.3S 170.6W 1022 AM 03/04
TAU ISLAND MANUA 14.3S 169.5W 1025 AM 03/04
OFU ISLAND MANUA 14.2S 169.7W 1026 AM 03/04
OLESEGA ISLAND MANUA 14.2S 169.6W 1026 AM 03/04
SWAINS ISLAND SWAINS 11.1S 171.1W 1047 AM 03/04
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 1019 AM SST ON
THURSDAY MARCH 04 AND IT CAN PERSIST FOR MANY HOURS OR
LONGER.
PRELIMINARY EARTHQUAKE PARAMETERS - UPDATED
-------------------------------------------
* MAGNITUDE 8.1
* ORIGIN TIME 828 AM SST MAR 04 2021
* COORDINATES 29.6 SOUTH 176.0 WEST
* DEPTH 6 MILES
* LOCATION KERMADEC ISLANDS REGION
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.
$$
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