M 6.2 in United States on 20 Dec 2021 20:10 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.



2021-12-20 20:15 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 202014
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
1214 PM PST Mon Dec 20 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 6.2
* Origin Time 1110 AKST Dec 20 2021
1210 PST Dec 20 2021
2010 UTC Dec 20 2021
* Coordinates 40.3 North 124.6 West
* Depth 4 miles
* Location 45 miles SW of Eureka, California
210 miles NW of San Francisco, California


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.

$$

>