M 6.9 in Central Mid-Atlantic Ridge on 18 Sep 2020 21:43 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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2020-09-18 21:59 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • There is no TSUNAMI danger for the u s east coast the gulf of MEXICO STATES or the eastern coast of canada
  • Based on the earthquake location near the mid-atlantic ridge a damaging TSUNAMI is not expected
  • An earthquake has occurred with parameters listed below

Original Message :

WEXX32 PAAQ 182158
TIBATE

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
558 PM EDT Fri Sep 18 2020

...THIS IS A TSUNAMI INFORMATION STATEMENT FOR THE U.S. EAST COAST,
GULF OF MEXICO STATES, AND EASTERN CANADA...

EVALUATION
----------
* There is no tsunami danger for the U.S. east coast, the Gulf of
Mexico states, or the eastern coast of Canada.

* Based on the earthquake location near the Mid-Atlantic Ridge,
a damaging tsunami is not expected.

* An earthquake has occurred with parameters listed below.


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

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

* Magnitude 6.8
* Origin Time 1744 EDT Sep 18 2020
1644 CDT Sep 18 2020
0544 AST Sep 18 2020
2144 UTC Sep 18 2020
* Coordinates 1.1 North 27.0 West
* Depth 21 miles
* Location near the central Mid-Atlantic Ridge


ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
* Refer to the internet site tsunami.gov for more information.

* Caribbean coastal regions should refer to the Pacific
Tsunami Warning Center messages at tsunami.gov.

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

$$

>

2020-09-18 21:58 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 6.8 occurred near the central mid-atlantic ridge at 544 pm ast on friday SEPTEMBER 18 2020
  • Based on all available data there is no TSUNAMI threat to PUERTO rico the u s VIRGIN islands or the BRITISH VIRGIN ISLANDS from this earthquake

Original Message :

WECA42 PHEB 182156
TIBCAR

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
556 PM AST FRI SEP 18 2020

...NO TSUNAMI THREAT FROM A DISTANT EARTHQUAKE...


AUDIENCE
--------

* GOVERNMENT OFFICIALS... MEDIA... AND GENERAL PUBLIC OF PUERTO
RICO... THE U.S. VIRGIN ISLANDS... AND THE BRITISH VIRGIN
ISLANDS.


EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.8 OCCURRED
NEAR THE CENTRAL MID-ATLANTIC RIDGE AT 544 PM AST ON FRIDAY
SEPTEMBER 18 2020.

* BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO
PUERTO RICO... THE U.S. VIRGIN ISLANDS... OR THE BRITISH
VIRGIN ISLANDS FROM THIS EARTHQUAKE.


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

* THE FOLLOWING PARAMETERS ARE BASED ON A PRELIMINARY RAPID
ASSESSMENT OF THE EARTHQUAKE AND CHANGES MAY OCCUR.

* MAGNITUDE 6.8
* ORIGIN TIME 544 PM AST SEP 18 2020
* COORDINATES 1.1 NORTH 27.0 WEST
* DEPTH 20 MILES / 33 KM
* LOCATION CENTRAL MID-ATLANTIC RIDGE


RECOMMENDED ACTIONS
-------------------

* NO ACTION IS REQUIRED.


IMPACTS
-------

* NO TSUNAMI IMPACTS ARE EXPECTED.


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

* THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED OR THE SITUATION CHANGES.

>

2020-09-18 21:57 message from CENALT link

Key information extracted from original GTS message :
Evaluation Information

  • Based on historical earthquake and TSUNAMI modelling there is no threat that a TSUNAMI has been generated that can cause damage or major effect in the region
  • This message is for information only

Original Message :

WENT42 LFPW 182155
TSUNAMI MESSAGE NUMBER 001
NEAM CENALT TSUNAMI SERVICE PROVIDER
ISSUED AT 2155Z 18 SEP 2020

... TSUNAMI INFORMATION ...
THIS ALERT APPLIES TO ALBANIA ... ALGERIA ... BULGARIA ... CROATIA ... CYPRUS ... EGYPT ... ESTONIA ... FINLAND ... GEORGIA ... GREECE ... ISRAEL ... ITALY ... LEBANON ... LIBYA ... MALTA ... MONACO ... MONTENEGRO ... POLAND ... ROMANIA ... RUSSIAN FEDERATION ... SLOVENIA ... SYRIA ... TUNISIA ... TURKEY ... UKRAINE ... BELGIUM ... CAPE VERDE ... DENMARK ... FRANCE ... GERMANY ... ICELAND ... IRELAND ... MAURITANIA ... MOROCCO ... NETHERLANDS ... NORWAY ... PORTUGAL ... SENEGAL ... SPAIN ... SWEDEN ... UNITED KINGDOM

THIS MESSAGE IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES. ONLY NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND ANY ACTIONS TO BE TAKEN IN RESPONSE.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME - 2143Z 18 SEP 2020
COORDINATES - 0.80 NORTH 26.85 WEST
DEPTH - 10 KM
LOCATION - CENTRAL MID ATLANTIC RIDGE
MAGNITUDE - 6.6


EVALUATION OF TSUNAMI INFORMATION
BASED ON HISTORICAL EARTHQUAKE AND TSUNAMI MODELLING THERE IS NO
THREAT THAT A TSUNAMI HAS BEEN GENERATED THAT CAN CAUSE DAMAGE OR
MAJOR EFFECT IN THE REGION.THIS MESSAGE IS FOR INFORMATION ONLY.


SUPPLEMENT MESSAGES WILL BE ISSUED AS SOON AS NEW DATA AND EVALUATION ALLOWS.
THE TSUNAMI ALERT WILL REMAIN IN EFFECT UNTIL AN END OF ALERT IS BROADCAST.


THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL INFORMATION BECOMES
AVAILABLE.

>

2020-09-18 21:44 message from IPMA link

Key information extracted from original GTS message :
Evaluation Information

  • Based on historical earthquake and TSUNAMI modelling there is no threat that a TSUNAMI has been generated that can cause damage or major effect in the region
  • This message is for information only

Original Message :

WENT42 LPMG 182154

TSUNAMI MESSAGE NUMBER 001

NEAM IPMA TSUNAMI SERVICE PROVIDER

ISSUED AT 2154Z 18 SET 2020



... TSUNAMI INFORMATION ...

THIS INFORMATION APPLIES TO BELGIUM ... CAPE VERDE ... DENMARK ... FRANCE ... GERMANY ... ICELAND ... IRELAND ... MAURITANIA ... MOROCCO ... NETHERLANDS ... NORWAY ... PORTUGAL ... SPAIN ... SWEDEN ... UNITED KINGDOM ... RUSSIAN FEDERATION ... POLAND ... LITHUANIA ... ESTONIA ... FINLAND ... ALGERIA ... ALBANIA ... BULGARIA ... CROATIA ... CYPRUS ... EGYPT ... GEORGIA ... GREECE ... ISRAEL ... ITALY ... LEBANON ... LIBYA ... MALTA ... MONACO ... ROMANIA ... SLOVENIA ... SWEDEN ... SYRIA ... TUNISIA ... TURKEY ... UKRAINE ... UNESCO ... ERCC



THIS MESSAGE IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES. ONLY

NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE

DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND ANY

ACTIONS TO BE TAKEN IN RESPONSE



AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME - 2144Z 18 SET 2020

COORDINATES - 0.49 NORTH 27.02 WEST

DEPTH - 10 KM

LOCATION - Central Mid-Atlantic Ridge

MAGNITUDE - 6.6



EVALUATION OF TSUNAMI INFORMATION

BASED ON HISTORICAL EARTHQUAKE AND TSUNAMI MODELLING THERE IS NO

THREAT THAT A TSUNAMI HAS BEEN GENERATED THAT CAN CAUSE DAMAGE OR

MAJOR EFFECT IN THE REGION. THIS MESSAGE IS FOR INFORMATION ONLY.



THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL

INFORMATION BECOMES AVAILABLE.



END OF TSUNAMI MESSAGE NUMBER 001