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WEME40 LTAA 220328

TSUNAMI MESSAGE NUMBER 001

NEAM TSUNAMI SERVICE PROVIDER KOERI (TURKIYE)

ISSUED AT 0328Z 22 MAY 2025



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



... TSUNAMI ADVISORY ...

THIS ALERT APPLIES TO GREECE



... TSUNAMI INFORMATION ...

THIS ALERT APPLIES TO ALBANIA ... CROATIA ... CYPRUS ... EGYPT ... ISRAEL ... ITALY ... LEBANON ... LIBYA ... MALTA ... MONTENEGRO ... PALESTINE ... SYRIA ... TRNC ... TUNISIA ... TURKIYE



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 - 0319Z 22 MAY 2025

COORDINATES - 35.69 NORTH 25.80 EAST

DEPTH - 82.00 KM

LOCATION - CRETE, GREECE

MAGNITUDE - 6.0 [MWP]

VALUE IS SUBJECT TO FURTHER REVISION UPON AVAILABILITY OF ADDITIONAL SEISMIC DATA � MAY DIFFER FROM FINAL MAGNITUDE ESTIMATION.



EVALUATION OF TSUNAMI ADVISORY

IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS MESSAGE IS BASED ONLY ON THE EARTHQUAKE EVALUATION. AN EARTHQUAKE OF THIS SIZE HAS THE POTENTIAL TO GENERATE A TSUNAMI THAT CAN STRIKE COASTLINES WITH A WAVE HEIGHT LESS THAN 0.5M AND/OR CAUSE A TSUNAMI RUN-UP LESS THAN 1M. AUTHORITIES SHOULD TAKE APPROPRIATE ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL MONITOR SEA LEVEL DATA FROM GAUGES NEAR THE EARTHQUAKE TO DETERMINE IF A TSUNAMI WAS GENERATED AND ESTIMATE THE SEVERITY OF THE THREAT. A TSUNAMI IS A SERIES OF WAVES AND THE FIRST WAVE MAY NOT BE THE LARGEST. TSUNAMI WAVE HEIGHTS CANNOT BE PREDICTED AND CAN VARY SIGNIFICANTLY ALONG A COAST DUE TO LOCAL EFFECTS. THE TIME FROM ONE TSUNAMI WAVE TO THE NEXT CAN BE FIVE MINUTES TO AN HOUR, AND THE THREAT CAN CONTINUE FOR MANY HOURS AS MULTIPLE WAVES ARRIVE.



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.



ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS WITHIN THE MONITORING AREA ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR.



LOCATION  FORECAST POINT         COORDINATES       ARRIVAL TIME  LEVEL

-------------------------------  ----------------- ------------- -----

GREECE - SITEIA                  35.2320  26.1050  0336Z 22 MAY  ADVISORY

GREECE - SANTORINI ORMOS FIRON   36.4170  25.4220  0339Z 22 MAY  ADVISORY

GREECE - PORI (NOA-99)           36.4597  25.4292  0340Z 22 MAY  ADVISORY

GREECE - AGIOS NIKOLAOS          35.2070  25.7240  0341Z 22 MAY  ADVISORY

GREECE - IERAPETRA (M)           35.0037  25.7385  0352Z 22 MAY  ADVISORY





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.



END OF TSUNAMI MESSAGE NUMBER 001=