Overall Green Earthquake alert Off-shore on 11 Sep 2023 09:20 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.9 Off-shore on 11 Sep 2023 09:20 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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Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

11/09 09:42 WENT42LFPW110940

2023-09-11 09:42 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 110940
TSUNAMI MESSAGE NUMBER 001
NEAM CENALT TSUNAMI SERVICE PROVIDER
ISSUED AT 0940Z 11 SEP 2023

... 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 - 0920Z 11 SEP 2023
COORDINATES - 0.65 NORTH 26.07 WEST
DEPTH - 10 KM
LOCATION - CENTRAL MID ATLANTIC RIDGE
MAGNITUDE - 5.5

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.

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