M 5.4 in United States on 21 Sep 2023 01:13 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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2023-09-21 01:18 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • There is no TSUNAMI danger from this earthquake
  • Preliminary earthquake parameters
  • The following parameters are based on a rapid preliminary assessment of the earthquake and changes MAY occur
  • Magnitude 5.4
  • Origin time 1714 akdt sep 20.2023 1814 pdt sep 20 2023 0114 UTC sep 21
  • Coordinates 55.0 north 160 4 west
  • Depth 20 miles
  • Location 25 miles se of sand point alaska 575 miles sw of anchorage alaska additional information and next update
  • Further information will be issued by the UNITED STATES geological survey (earthquake
  • Usgs
  • Gov) or the appropriate regional seismic network
  • This will be the only u s national TSUNAMI warning center message issued for this event unless additional information becomes available

Original Message :

WEAK53 PAAQ 210117
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
517 PM AKDT Wed Sep 20 2023

...THIS IS A TSUNAMI INFORMATION STATEMENT...

EVALUATION
----------
* There is NO tsunami danger from this earthquake.


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

* The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.

* Magnitude 5.4
* Origin Time 1714 AKDT Sep 20 2023
1814 PDT Sep 20 2023
0114 UTC Sep 21 2023
* Coordinates 55.0 North 160.4 West
* Depth 20 miles
* Location 25 miles SE of Sand Point, Alaska
575 miles SW of Anchorage, Alaska


ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
* Further information will be issued by the United States
Geological Survey (earthquake.usgs.gov) or the appropriate
regional seismic network.

* This will be the only U.S. National Tsunami Warning Center
message issued for this event unless additional information
becomes available.

$$

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