Overall Green Earthquake in Antigua & Barbuda on 16 May 2026 14:50 UTC

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M 6 in Antigua & Barbuda on 16 May 2026 14:50 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)

16/05 15:00 WEXX32PAAQ161459

16/05 14:59 WECA42PHEB161457

16/05 14:59 WECA43PHEB161458

2026-05-16 15:00 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
Based on earthquake information and historic TSUNAMI records the earthquake is not expected to generate a tsunami
An earthquake has occurred with parameters listed below

Original Message :

WEXX32 PAAQ 161459
TIBATE

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
1059 AM AST Sat May 16 2026

...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.

* Based on earthquake information and historic tsunami records,
the earthquake is not expected to generate a tsunami.

* 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 6.1
* Origin Time 1050 EDT May 16 2026
1050 AST May 16 2026
0950 CDT May 16 2026
1450 UTC May 16 2026
* Coordinates 17.6 North 61.0 West
* Depth 39 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.

$$

2026-05-16 14:59 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.1 occurred in the leeward ISLANDS at 1050 am ast on saturday MAY 16 2026
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 161457
TIBCAR

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1057 AM AST SAT MAY 16 2026

AMZ712-715-725-735-742-745-PRZ001>003-005-007-008-010>013-
VIZ001-002-161657-
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 6.1 OCCURRED IN
THE LEEWARD ISLANDS AT 1050 AM AST ON SATURDAY MAY 16 2026.

* 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 6.1
* ORIGIN TIME 1050 AM AST MAY 16 2026
* COORDINATES 17.6 NORTH 61.0 WEST
* DEPTH 39 MILES / 63 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.

$$

2026-05-16 14:59 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.1 occurred in the leeward ISLANDS at 1450 UTC on saturday MAY 16 2026
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 161458
TIBCAX

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1458 UTC SAT MAY 16 2026

...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 6.1
* ORIGIN TIME 1450 UTC MAY 16 2026
* COORDINATES 17.6 NORTH 61.0 WEST
* DEPTH 63 KM / 39 MILES
* LOCATION LEEWARD ISLANDS

EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.1 OCCURRED IN
THE LEEWARD ISLANDS AT 1450 UTC ON SATURDAY MAY 16 2026.

* 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.

$$

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