Tsunami Bulletin
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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WEGM42 PHEB 040749
TIBGUM
GUZ001>004-040949-
TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
549 PM CHST TUE NOV 04 2025
...NO TSUNAMI THREAT TO GUAM/CNMI FROM A NEARBY EARTHQUAKE...
AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC
EVALUATION
----------
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 5.8 OCCURRED
ABOUT 102 MILES SOUTHWEST OF GUAM AT 537 PM CHST ON TUESDAY
NOVEMBER 4 2025.
* BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO
GUAM... ROTA... TINIAN OR SAIPAN FROM THIS EARTHQUAKE.
* SOME AREAS MAY HAVE EXPERIENCED SHAKING.
RECOMMENDED ACTIONS
-------------------
* NO ACTION IS REQUIRED.
POTENTIAL IMPACTS
-----------------
* NO TSUNAMI IMPACTS ARE EXPECTED.
PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* MAGNITUDE 5.8
* ORIGIN TIME 537 PM CHST NOV 04 2025
* COORDINATES 12.4 NORTH 143.4 EAST
* DEPTH 67 MILES
* LOCATION ABOUT 102 MILES SOUTHWEST OF GUAM
NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED OR THE SITUATION CHANGES.
* 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.
$$