Overall Green Earthquake alert in Greece on 01 Aug 2021 04:31 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)

01/08 04:41 WEME40LTAA010439

2021-08-01 04:41 message from KOERI link

Key information extracted from original GTS message :

Evaluation Information

Based on historical earthquake and TSUNAMI modelling no TSUNAMI generation is expected that can cause damage or major effect in the region
However the possibility of a TSUNAMI generation such as due to submarine landslides can not be excluded
Koeri will continue to monitor sea level readings and MAY issue further messages if required
This will be the final message issued for this event unless additional information becomes available

Original Message :

WEME40 LTAA 010439
TSUNAMI MESSAGE NUMBER 001
NEAM TSUNAMI SERVICE PROVIDER KOERI (TURKEY)
ISSUED AT 0439Z 01 AUG 2021

THIS ALERT IS ADDRESSED TO ALL COUNTRIES AND INSTITUTIONS SUBSCRIBED TO THE SERVICES OF KOERI NEAM TSP IN ITS MONITORING AREA.

... TSUNAMI INFORMATION ...
THIS ALERT APPLIES TO ALBANIA ... CROATIA ... CYPRUS ... EGYPT ... GREECE ... ISRAEL ... ITALY ... LEBANON ... LIBYA ... MALTA ... MONTENEGRO ... PALESTINE ... SYRIA ... TRNC ... TUNISIA ... TURKEY

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 - 0431Z 01 AUG 2021
COORDINATES - 36.34 NORTH 27.06 EAST
DEPTH - 17.00 KM
LOCATION - DODECANESE ISLANDS, GREECE
MAGNITUDE - 5.8 [MWP]
VALUE IS SUBJECT TO FURTHER REVISION UPON AVAILABILITY OF ADDITIONAL SEISMIC DATA - MAY DIFFER FROM FINAL MAGNITUDE ESTIMATION.

EVALUATION OF TSUNAMI INFORMATION
BASED ON HISTORICAL EARTHQUAKE AND TSUNAMI MODELLING NO TSUNAMI GENERATION IS EXPECTED THAT CAN CAUSE DAMAGE OR MAJOR EFFECT IN THE REGION. HOWEVER, THE POSSIBILITY OF A TSUNAMI GENERATION, SUCH AS DUE TO SUBMARINE LANDSLIDES, CAN NOT BE EXCLUDED. KOERI WILL CONTINUE TO MONITOR SEA LEVEL READINGS AND MAY ISSUE FURTHER MESSAGES IF REQUIRED.

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

END OF TSUNAMI MESSAGE NUMBER 001=

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