####018004806####
WEPA40 PHEB 042029

TSUPAC

 

TSUNAMI MESSAGE NUMBER 2

NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI

2028 UTC FRI APR 4 2025

 

...PTWC TSUNAMI THREAT MESSAGE...

 



**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

 

 THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE

 UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS

 MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.

 

 NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF

 ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED

 INFORMATION.

 

**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

 

THE TSUNAMI FORECAST IS UPDATED IN THIS MESSAGE.

 

NOTE REVISED MAGNITUDE

 

PRELIMINARY EARTHQUAKE PARAMETERS

---------------------------------

 

  * MAGNITUDE      6.9

  * ORIGIN TIME    2005 UTC APR 4 2025

  * COORDINATES    6.2 SOUTH  151.6 EAST

  * DEPTH          33 KM / 20 MILES

  * LOCATION       NEW BRITAIN REGION  PAPUA NEW GUINEA

 



EVALUATION

----------

 

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.9 OCCURRED IN

    THE NEW BRITAIN REGION, PAPUA NEW GUINEA AT 2005 UTC ON

    FRIDAY APRIL 4 2025.

 

  * BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE

    FORECAST FOR SOME COASTS.

 



TSUNAMI THREAT FORECAST...UPDATED

---------------------------------

 

  * TSUNAMI WAVES REACHING 1 TO 3 METERS ABOVE THE TIDE LEVEL ARE

    POSSIBLE ALONG SOME COASTS OF

 

      PAPUA NEW GUINEA.

 



  * TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE

    THE TIDE LEVEL FOR THE COASTS OF

 

      SOLOMON ISLANDS.

 



  * ACTUAL AMPLITUDES AT THE COAST MAY VARY FROM FORECAST

    AMPLITUDES DUE TO UNCERTAINTIES IN THE FORECAST AND LOCAL

    FEATURES. IN PARTICULAR MAXIMUM TSUNAMI AMPLITUDES ON ATOLLS

    AND AT LOCATIONS WITH FRINGING OR BARRIER REEFS WILL LIKELY

    BE MUCH SMALLER THAN THE FORECAST INDICATES.

 

  * FOR OTHER AREAS COVERED BY THIS PRODUCT A FORECAST HAS NOT

    YET BEEN COMPUTED. THE FORECAST WILL BE EXPANDED IF

    NECESSARY IN SUBSEQUENT PRODUCTS.

 



RECOMMENDED ACTIONS

-------------------

 

  * GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS

    SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL

    POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN

    EVALUATION... PROCEDURES AND THE LEVEL OF THREAT.

 

  * PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT

    FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND

    LOCAL AUTHORITIES.

 



ESTIMATED TIMES OF ARRIVAL

--------------------------

 

  * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE

    FOR PLACES WITHIN THREATENED REGIONS 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(UTC)

    ------------------------------------------------------------

    RABAUL           PAPUA NEW GUINEA   4.2S 152.3E   2029 04/04

    WOODLARK ISLAND  PAPUA NEW GUINEA   9.0S 152.9E   2034 04/04

 



POTENTIAL IMPACTS

-----------------

 

  * A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS

    CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST

    FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE.

 

  * IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO

    THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION

    OF THE SHORELINE.

 

  * IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT

    THE TIME OF THE MAXIMUM TSUNAMI WAVES.

 

  * PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE

    CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA.

 



NEXT UPDATE AND ADDITIONAL INFORMATION

--------------------------------------

 

  * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF

    THE SITUATION WARRANTS.

 

  * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.

    GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT

    EARTHQUAKE.USGS.GOV.

 

  * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT

    WWW.TSUNAMI.GOV.

 

  * COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND

    CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES

    SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT

    WWW.TSUNAMI.GOV.

 

  * COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON...

    BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S.

    NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND

    AT WWW.TSUNAMI.GOV.

 

$$