ZCZC
WEGM40 PHEB 300019
TSUGUM

GUZ001>004-300219-
/O.CON.PHEB.TS.A.0001.000000T0000Z-000000T0000Z/

BULLETIN
TSUNAMI MESSAGE NUMBER 2
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1019 AM CHST WED JUL 30 2025

...THE TSUNAMI WATCH CONTINUES IN EFFECT FOR GUAM AND CNMI...

THIS MESSAGE CONTAINS REVISED EARTHQUAKE PARAMETERS.


AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.7 OCCURRED
    OFF THE EAST COAST OF KAMCHATKA, RUSSIA AT 925 AM CHST ON
    WEDNESDAY JULY 30 2025.

  * THE TSUNAMI THREAT TO GUAM... ROTA... TINIAN AND SAIPAN FROM
    THIS EARTHQUAKE IS STILL BEING EVALUATED.

  * IF A TSUNAMI THREAT EXISTS... THE EARLIEST ESTIMATED ARRIVAL
    TIME OF TSUNAMI WAVES WITHIN GUAM... ROTA... TINIAN OR
    SAIPAN WOULD BE

                 237 PM CHST ON WEDNESDAY JULY 30 2025


RECOMMENDED ACTIONS
-------------------

  * STAY ALERT FOR FURTHER INFORMATION. THE TSUNAMI WATCH COULD
    BE ELEVATED TO AN ADVISORY OR WARNING.

  * CONSIDER YOUR COURSE OF ACTION IF A TSUNAMI ADVISORY OR
    WARNING IS ISSUED.


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(CHST)
    ----------------------------------------------------------
    MAGICIENNE BAY      SAIPAN    15.1N 145.8E    237 PM 07/30
    OBYAN               SAIPAN    15.1N 145.7E    237 PM 07/30
    WING BEACH          SAIPAN    15.3N 145.8E    237 PM 07/30
    GARAPAN             SAIPAN    15.2N 145.7E    240 PM 07/30
    LONG BEACH          TINIAN    15.0N 145.7E    240 PM 07/30
    CHULU BEACH         TINIAN    15.1N 145.6E    244 PM 07/30
    MOCHON BEACH        ROTA      14.2N 145.3E    245 PM 07/30
    ARATSU BAY          ROTA      14.1N 145.2E    246 PM 07/30
    SAN JOSE            TINIAN    15.0N 145.6E    247 PM 07/30
    SONGSONG            ROTA      14.1N 145.1E    249 PM 07/30
    PATI POINT          GUAM      13.6N 145.0E    251 PM 07/30
    PAGO BAY            GUAM      13.4N 144.8E    253 PM 07/30
    INARAJAN            GUAM      13.3N 144.8E    253 PM 07/30
    APRA HARBOR         GUAM      13.5N 144.6E    257 PM 07/30


POTENTIAL IMPACTS
-----------------

  * POTENTIAL TSUNAMI IMPACTS ARE STILL BEING EVALUATED.

  * IF THERE IS A TSUNAMI THREAT TO GUAM... ROTA... TINIAN AND
    SAIPAN... THE EARLIEST IMPACTS WOULD BE AROUND 237 PM CHST
    ON WEDNESDAY JULY 30 2025.


PRELIMINARY EARTHQUAKE PARAMETERS - UPDATED
-------------------------------------------

  * MAGNITUDE      8.7
  * ORIGIN TIME    925 AM CHST JUL 30 2025
  * COORDINATES    52.2 NORTH  160.0 EAST
  * DEPTH          46 MILES
  * LOCATION       OFF THE EAST COAST OF KAMCHATKA  RUSSIA


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

  * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... 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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