M 5.9 in Guam on 23 Sep 2018 05:52 UTC

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

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2018-09-23 15:52 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEGM42 PHEB 230614

TIBGUM



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

414 PM CHST SUN SEP 23 2018



...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 122 MILES SOUTHEAST OF GUAM AT 352 PM CHST ON SUNDAY

SEPTEMBER 23 2018.



? 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 352 PM CHST SEP 23 2018

? COORDINATES 12.2 NORTH 146.2 EAST

? DEPTH 22 MILES

? LOCATION ABOUT 122 MILES SOUTHEAST 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 PTWC.WEATHER.GOV AND 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/EARTHQUAKES -ALL LOWERCASE LETTERS-.



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