Overall Orange Earthquake alert in Türkiye on 20 Feb 2023 17:04 UTC

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M 6.3 in Türkiye on 20 Feb 2023 17:04 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.

Measurements Levels

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

20/02 19:05 WEME40LGAT201904

20/02 18:51 WEMM40LIIB201850

20/02 18:49 WEME40LTAA201847

20/02 17:15 WEME40LGAT201714

20/02 17:14 WEME40LTAA201712

20/02 17:13 WEMM40LIIB201712

2023-02-20 19:05 message from NOA link

Key information extracted from original GTS message :

Evaluation Advisory

Sea level readings indicate that no TSUNAMI was generated
The TSUNAMI alert is cancelled
However earthquakes of this size can generate small tsunamis that cause locally changes in currents and resonance in harbours
Authorities should be aware of this possibility and take appropriate action
This will be the final message issued for this event unless additional information becomes available

Original Message :

WEME40 LGAT 201904
?TSUNAMI MESSAGE NUMBER 002
NEAM NOA HL-NTWC TSUNAMI SERVICE PROVIDER
ISSUED AT 1904Z 20 FEB 2023

... TSUNAMI ADVISORY CANCELLATION ...
THIS ALERT APPLIES TO SYRIA...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 - 1704 UTC MON FEB 20 2023
COORDINATES - 36.13 NORTH 36.17 EAST
DEPTH - 2.0 KM
LOCATION - TURKEY-SYRIA BORDER REGION
MAGNITUDE - 6.3 M

EVALUATION OF TSUNAMI ADVISORY
SEA LEVEL READINGS INDICATE THAT NO TSUNAMI WAS GENERATED.
THE TSUNAMI ALERT IS CANCELLED.
HOWEVER, EARTHQUAKES OF THIS SIZE CAN GENERATE SMALL TSUNAMIS THAT CAUSE LOCALLY
CHANGES IN CURRENTS AND RESONANCE IN HARBOURS. AUTHORITIES SHOULD BE AWARE OF
THIS POSSIBILITY AND TAKE APPROPRIATE ACTION.

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

>

2023-02-20 18:51 message from INGV link

Key information extracted from original GTS message :

Evaluation Advisory

Sea level readings indicate that no TSUNAMI was generated
The TSUNAMI alert is cancelled
However earthquakes of this size can generate small TSUNAMI that cause locally changes in currents and resonance in harbours authorities should be aware of this possibility and take appropriate action
This will be the final message issued for this event unless additional information becomes available

Original Message :

WEMM40 LIIB 201850
TSUNAMI MESSAGE NUMBER 002
NEAM INGV IT-NTWC TSUNAMI SERVICE PROVIDER
ISSUED AT 1850Z 20 FEB 2023

... TSUNAMI ADVISORY CANCELLATION ...
THIS ALERT APPLIES TO SYRIA ... TURKEY

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

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 - 1704Z 20 FEB 2023
COORDINATES - 36.06 NORTH 36.03 EAST
DEPTH - 20 KM
LOCATION - TURKEY
MAGNITUDE - 6.3

EVALUATION OF TSUNAMI ADVISORY
SEA LEVEL READINGS INDICATE THAT NO TSUNAMI WAS GENERATED.
THE TSUNAMI ALERT IS CANCELLED.
HOWEVER, EARTHQUAKES OF THIS SIZE CAN GENERATE SMALL TSUNAMI THAT
CAUSE LOCALLY CHANGES IN CURRENTS AND RESONANCE IN HARBOURS
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY AND TAKE APPROPRIATE
ACTION.

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

=

>

2023-02-20 18:49 message from KOERI link

Key information extracted from original GTS message :

Evaluation Advisory

Sea level readings indicate that no TSUNAMI was generated
The TSUNAMI alert is cancelled
However earthquakes of this size can generate small tsunamis that cause local changes in currents and resonance in harbours
Authorities should be aware of this possibility and take appropriate action
This will be the final message issued for this event unless additional information becomes available

Original Message :

WEME40 LTAA 201847
TSUNAMI MESSAGE NUMBER 002
NEAM TSUNAMI SERVICE PROVIDER KOERI (TURKEY)
ISSUED AT 1847Z 20 FEB 2023

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

... TSUNAMI ADVISORY CANCELLATION ...
THIS ALERT APPLIES TO SYRIA ... 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 - 1704Z 20 FEB 2023
COORDINATES - 36.10 NORTH 36.09 EAST
DEPTH - 33.00 KM
LOCATION - JORDAN - SYRIA REGION
MAGNITUDE - 6.3 [Mwp]

EVALUATION OF TSUNAMI ADVISORY
SEA LEVEL READINGS INDICATE THAT NO TSUNAMI WAS GENERATED. THE TSUNAMI ALERT IS CANCELLED. HOWEVER, EARTHQUAKES OF THIS SIZE CAN GENERATE SMALL TSUNAMIS THAT CAUSE LOCAL CHANGES IN CURRENTS AND RESONANCE IN HARBOURS. AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY AND TAKE APPROPRIATE ACTION.

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

END OF TSUNAMI MESSAGE NUMBER 002=

>

2023-02-20 17:15 message from NOA link

Key information extracted from original GTS message :

Evaluation Advisory

It is not known that a TSUNAMI was generated
This watch 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 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 :

WEME40 LGAT 201714
TSUNAMI MESSAGE NUMBER 001
NEAM NOA HL-NTWC TSUNAMI SERVICE PROVIDER
ISSUED AT 1713Z 20 FEB 2023

... TSUNAMI ADVISORY ...
THIS ALERT APPLIES TO SYRIA...TURKEY

... TSUNAMI INFORMATION ...
THIS ALERT APPLIES TO BELGIUM ... EGYPT ... FRANCE ... GERMANY ... GREECE ...
CYPRUS ... ISRAEL ... ITALY ... LEBANON ... PORTUGAL ... SPAIN ... SWEDEN ...
TURKEY ... UNITED KINGDOM ... IOC (UNESCO) .... ERCC (EUROPEAN COMMISSION)

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 - 1704 UTC MON FEB 20 2023
COORDINATES - 36.13 NORTH 36.17 EAST
DEPTH - 2.0 KM
LOCATION - TURKEY-SYRIA BORDER REGION
MAGNITUDE - 6.3 M

EVALUATION OF TSUNAMI ADVISORY
IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WATCH 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 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.

ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS WITHIN THE ADVISORY
AREA 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 FP COORDINATES ARRIVAL TIME ALERT LEVEL
-------------------- -------------- ------------- -----------

SYRIA-LATTAKIA 35.54N 35.75E 1729Z 20 FEB ADVISORY
TURKEY-HATAY ISKENDERUN (M) 36.59N 36.18E 1759Z 20 FEB ADVISORY
TURKEY-ADANA YUMURTALIK 36.91N 35.98E 1808Z 20 FEB 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.

>

2023-02-20 17:14 message from KOERI link

Key information extracted from original GTS message :

Evaluation 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

Original Message :

WEME40 LTAA 201712
TSUNAMI MESSAGE NUMBER 001
NEAM TSUNAMI SERVICE PROVIDER KOERI (TURKEY)
ISSUED AT 1712Z 20 FEB 2023

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 SYRIA ... TURKEY

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

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 - 1704Z 20 FEB 2023
COORDINATES - 36.10 NORTH 36.09 EAST
DEPTH - 33.00 KM
LOCATION - JORDAN - SYRIA REGION
MAGNITUDE - 6.3 [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
------------------------------- ----------------- ------------- -----
SYRIA - LATAKIA 35.5377 35.7501 1729Z 20 FEB ADVISORY
SYRIA - JABLEH 35.3618 35.9181 1738Z 20 FEB ADVISORY
TURKEY - HATAY ARSUZ (M) 36.4156 35.8852 1742Z 20 FEB ADVISORY
TURKEY - ADANA YUMURTALIK 36.9140 35.9803 1810Z 20 FEB 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=

>

2023-02-20 17:13 message from INGV link

Key information extracted from original GTS message :

Evaluation Advisory

It is not known that a TSUNAMI was generated
This watch 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 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
However at some coasts particularly those near the epicenter higher tsunamis MAY arrive than our estimation
Authorities should be aware of this possibility

Original Message :

WEMM40 LIIB 201712
TSUNAMI MESSAGE NUMBER 001
NEAM INGV IT-NTWC TSUNAMI SERVICE PROVIDER
ISSUED AT 1712Z 20 FEB 2023

... TSUNAMI ADVISORY ...
THIS ALERT APPLIES TO SYRIA ... TURKEY

... TSUNAMI INFORMATION ...
THIS ALERT APPLIES TO ALBANIA ... ALGERIA ... BOSNIA_HERZEGOVINA ...
CROATIA ... CYPRUS ... EGYPT ... FRANCE ... GREECE ... ISRAEL ...
ITALY ... LEBANON ... LIBYA ... MALTA ... MONACO ... MONTENEGRO ...
MOROCCO ... SLOVENIA ... SPAIN ... SYRIA ... TUNISIA ... TURKEY ...
UK

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

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 - 1704Z 20 FEB 2023
COORDINATES - 36.06 NORTH 36.03 EAST
DEPTH - 20 KM
LOCATION - TURKEY
MAGNITUDE - 6.3

ALERT LEVEL IS ASSIGNED ACCORDING TO THE ABOVE ESTIMATIONS OF
EARTHQUAKE PARAMETERS AND BASED ON ICG/NEAMTWS DECISION MATRIX

EVALUATION OF TSUNAMI ADVISORY
IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WATCH 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 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.

HOWEVER, AT SOME COASTS, PARTICULARLY THOSE NEAR THE EPICENTER, HIGHER
TSUNAMIS MAY ARRIVE THAN OUR ESTIMATION.
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY.

ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS WITHIN
THE WATCH 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, ALERT LEVEL
(ADVISORY, WATCH)
----------------------------------------------------------
SYRIA - LATTAKIA 35.50N 35.50E 1722Z 20 FEB ADVISORY
TURKEY - HATAY_ISKENDERUN_M 36.59N 36.18E 1757Z 20 FEB ADVISORY
TURKEY - ADANA_YUMURTALIK 36.91N 35.98E 1806Z 20 FEB 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.

=

>

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