M 5.9 in United States on 21 Dec 2021 22:42 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.

Click on the messages list to visualize on the right the detailed text.



2021-12-21 22:47 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • An earthquake has occurred a TSUNAMI is not expected

Original Message :

WEAK53 PAAQ 212246
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
146 PM AKST Tue Dec 21 2021

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

EVALUATION
----------
* An earthquake has occurred; a tsunami is not expected.


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

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

* Magnitude 5.7
* Origin Time 1342 AKST Dec 21 2021
1442 PST Dec 21 2021
2242 UTC Dec 21 2021
* Coordinates 60.2 North 153.4 West
* Depth 89 miles
* Location 60 miles NE of Iliamna, Alaska
140 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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