Overall Green Earthquake alert in Guadeloupe on 27 Oct 2025 12:38 UTC

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

M 6.5 in Guadeloupe on 27 Oct 2025 12:38 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)

27/10 12:53 WECA42PHEB271251

27/10 12:51 WEXX32PAAQ271250

27/10 12:50 WECA42PHEB271249

27/10 12:48 WECA43PHEB271247

27/10 12:47 WECA42PHEB271246

2025-10-27 12:53 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred in the leeward ISLANDS at 839 am ast on monday OCTOBER 27 2025
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 271251
TIBCAR

TSUNAMI INFORMATION STATEMENT NUMBER 3
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
851 AM AST MON OCT 27 2025

AMZ712-715-725-735-742-745-PRZ001>003-005-007-008-010>013-
VIZ001-002-271451-
COASTAL AREAS OF PUERTO RICO - THE U.S. VIRGIN ISLANDS AND
THE BRITISH VIRGIN ISLANDS

...NO TSUNAMI THREAT FROM A REGIONAL EARTHQUAKE...

AUDIENCE
--------

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

UPDATES IN THIS MESSAGE
-----------------------

* THERE ARE NO SIGNIFICANT CHANGES TO REPORT.

EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.8 OCCURRED IN
THE LEEWARD ISLANDS AT 839 AM AST ON MONDAY OCTOBER 27 2025.

* 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 839 AM AST OCT 27 2025
* COORDINATES 16.5 NORTH 59.5 WEST
* DEPTH 6 MILES / 10 KM
* LOCATION LEEWARD ISLANDS

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

* NO ACTION IS REQUIRED.

IMPACTS
-------

* NO TSUNAMI IMPACTS ARE EXPECTED.

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

* THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT UNLESS
NEW INFORMATION IS RECEIVED OR THE SITUATION CHANGES.

* FURTHER INFORMATION ABOUT THIS EVENT AND ANY TSUNAMI THREAT
TO PUERTO RICO AND THE VIRGIN ISLANDS MAY BE FOUND ON THE
INTERNET AT WWW.TSUNAMI.GOV.

* INFORMATION REGARDING ANY TSUNAMI THREAT TO US GULF OR
ATLANTIC COASTS WILL BE ISSUED BY THE US NATIONAL TSUNAMI
WARNING CENTER AND CAN BE FOUND ON THE INTERNET AT
WWW.TSUNAMI.GOV.

* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE CAN BE
OBTAINED FROM THE CORRESPONDING REGIONAL SEISMIC NETWORK OR
THE U.S. GEOLOGICAL SURVEY ON THE INTERNET AT
EARTHQUAKE.USGS.GOV.

$$

2025-10-27 12:51 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 america STATES or the eastern coast of canada
Earthquakes of this size are known to generate tsunamis dangerous to shorelines near the source
An earthquake has occurred with parameters listed below

Original Message :

WEXX32 PAAQ 271250
TIBATE

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
850 AM AST Mon Oct 27 2025

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

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

* Earthquakes of this size are known to generate tsunamis
dangerous to shorelines near the source.

* 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 0839 EDT Oct 27 2025
0839 AST Oct 27 2025
0739 CDT Oct 27 2025
1239 UTC Oct 27 2025
* Coordinates 16.5 North 59.5 West
* Depth 6 miles
* Location near the Leeward Islands, Caribbean Sea

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.

$$

2025-10-27 12:50 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred in the leeward ISLANDS at 839 am ast on monday OCTOBER 27 2025
People MAY have experienced shaking from the earthquake
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 271249
TIBCAR

TSUNAMI INFORMATION STATEMENT NUMBER 2
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
849 AM AST MON OCT 27 2025

AMZ712-715-725-735-742-745-PRZ001>003-005-007-008-010>013-
VIZ001-002-271449-
COASTAL AREAS OF PUERTO RICO - THE U.S. VIRGIN ISLANDS AND
THE BRITISH VIRGIN ISLANDS

...NO TSUNAMI THREAT FROM A REGIONAL EARTHQUAKE...

AUDIENCE
--------

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

UPDATES IN THIS MESSAGE
-----------------------

* THE EARTHQUAKE PARAMETERS HAVE BEEN REVISED.

EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.8 OCCURRED IN
THE LEEWARD ISLANDS AT 839 AM AST ON MONDAY OCTOBER 27 2025.

* PEOPLE MAY HAVE EXPERIENCED SHAKING FROM THE EARTHQUAKE.

* 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 - UPDATED
-------------------------------------------

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

* MAGNITUDE 6.8
* ORIGIN TIME 839 AM AST OCT 27 2025
* COORDINATES 16.5 NORTH 59.5 WEST
* DEPTH 6 MILES / 10 KM
* LOCATION LEEWARD ISLANDS

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

* NO ACTION IS REQUIRED.

IMPACTS
-------

* NO TSUNAMI IMPACTS ARE EXPECTED.

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

* THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT UNLESS
NEW INFORMATION IS RECEIVED OR THE SITUATION CHANGES.

* FURTHER INFORMATION ABOUT THIS EVENT AND ANY TSUNAMI THREAT
TO PUERTO RICO AND THE VIRGIN ISLANDS MAY BE FOUND ON THE
INTERNET AT WWW.TSUNAMI.GOV.

* INFORMATION REGARDING ANY TSUNAMI THREAT TO US GULF OR
ATLANTIC COASTS WILL BE ISSUED BY THE US NATIONAL TSUNAMI
WARNING CENTER AND CAN BE FOUND ON THE INTERNET AT
WWW.TSUNAMI.GOV.

* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE CAN BE
OBTAINED FROM THE CORRESPONDING REGIONAL SEISMIC NETWORK OR
THE U.S. GEOLOGICAL SURVEY ON THE INTERNET AT
EARTHQUAKE.USGS.GOV.

$$

2025-10-27 12:48 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred in the leeward ISLANDS at 1239 UTC on monday OCTOBER 27 2025
Based on all available data there is no significant TSUNAMI threat from this earthquake
However there is a very small possibility of TSUNAMI waves along coasts located nearest the epicenter

Original Message :

WECA43 PHEB 271247
TIBCAX

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1246 UTC MON OCT 27 2025

...TSUNAMI INFORMATION STATEMENT...

**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

THIS STATEMENT IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
UNESCO/IOC TSUNAMI AND OTHER COASTAL HAZARDS WARNING SYSTEM FOR
THE CARIBBEAN AND ADJACENT REGIONS AND IS MEANT FOR NATIONAL
AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.

NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF
ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED
INFORMATION.

**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

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

* MAGNITUDE 6.8
* ORIGIN TIME 1239 UTC OCT 27 2025
* COORDINATES 16.5 NORTH 59.5 WEST
* DEPTH 0 KM / 0 MILES
* LOCATION LEEWARD ISLANDS

EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.8 OCCURRED IN
THE LEEWARD ISLANDS AT 1239 UTC ON MONDAY OCTOBER 27 2025.

* BASED ON ALL AVAILABLE DATA... THERE IS NO SIGNIFICANT
TSUNAMI THREAT FROM THIS EARTHQUAKE. HOWEVER... THERE IS A
VERY SMALL POSSIBILITY OF TSUNAMI WAVES ALONG COASTS LOCATED
NEAREST THE EPICENTER.

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

* NO ACTION IS REQUIRED.

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

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

* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
EARTHQUAKE.USGS.GOV.

* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT
WWW.TSUNAMI.GOV.

* COASTAL REGIONS OF THE US GULF COAST... US EAST COAST... AND
THE MARITIME PROVINCES OF CANADA SHOULD REFER TO U.S.
NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND
AT WWW.TSUNAMI.GOV.

$$

2025-10-27 12:47 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred in the leeward ISLANDS at 839 am ast on monday OCTOBER 27 2025
People MAY have experienced shaking from the earthquake
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 271246
TIBCAR

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
846 AM AST MON OCT 27 2025

AMZ712-715-725-735-742-745-PRZ001>003-005-007-008-010>013-
VIZ001-002-271446-
COASTAL AREAS OF PUERTO RICO - THE U.S. VIRGIN ISLANDS AND
THE BRITISH VIRGIN ISLANDS

...NO TSUNAMI THREAT FROM A REGIONAL 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 IN
THE LEEWARD ISLANDS AT 839 AM AST ON MONDAY OCTOBER 27 2025.

* PEOPLE MAY HAVE EXPERIENCED SHAKING FROM THE EARTHQUAKE.

* 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 839 AM AST OCT 27 2025
* COORDINATES 16.5 NORTH 59.5 WEST
* DEPTH 0 MILES / 0 KM
* LOCATION LEEWARD ISLANDS

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.

* FURTHER INFORMATION ABOUT THIS EVENT AND ANY TSUNAMI THREAT
TO PUERTO RICO AND THE VIRGIN ISLANDS MAY BE FOUND ON THE
INTERNET AT WWW.TSUNAMI.GOV.

* INFORMATION REGARDING ANY TSUNAMI THREAT TO US GULF OR
ATLANTIC COASTS WILL BE ISSUED BY THE US NATIONAL TSUNAMI
WARNING CENTER AND CAN BE FOUND ON THE INTERNET AT
WWW.TSUNAMI.GOV.

* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE CAN BE
OBTAINED FROM THE CORRESPONDING REGIONAL SEISMIC NETWORK OR
THE U.S. GEOLOGICAL SURVEY ON THE INTERNET AT
EARTHQUAKE.USGS.GOV.

$$

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