Overall Green Earthquake in Central Mid-Atlantic Ridge on 13 Oct 2026 12:23 UTC

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M 6.8 in Central Mid-Atlantic Ridge on 13 Oct 2026 12:23 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)

13/10 12:52 WEIO24AMMC131251

13/10 12:37 WEXX32PAAQ131236

13/10 12:36 WENT42LPMG131235

13/10 12:35 WEMQ40LFPW131234

13/10 12:35 WECA43PHEB131233

13/10 12:35 WECA42PHEB131234

2026-10-13 12:52 link

Original Message :

WEIO24 AMMC 131251
---------------------------------------------------------------------
TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1
IOTWMS TSUNAMI SERVICE PROVIDER AUSTRALIA [JATWC]
ISSUED AT 1251 UTC TUESDAY 13 OCTOBER 2026
---------------------------------------------------------------------
TO: INDIAN OCEAN NATIONAL TSUNAMI WARNING CENTRES [NTWC]
FROM: IOTWMS-TSP AUSTRALIA

NOTIFICATION:
IOTWMS-TSP AUSTRALIA HAS JUST ISSUED TSUNAMI BULLETIN NUMBER 1 FOR
THE INDIAN OCEAN, BASED ON AN EARTHQUAKE WITH THE FOLLOWING DETAILS:

MAGNITUDE: 6.7 Mw
DEPTH: 10 km
DATE: 13 Oct 2026
ORIGIN TIME: 1223 UTC
LATITUDE: 0.33S
LONGITUDE: 19.33W
LOCATION: Central Mid Atlantic Ridge

TO VIEW THE BULLETIN GO TO THE IOTWMS-TSP AUSTRALIA WEBSITE AT:

http://reg.bom.gov.au/tsunami/rtsp

NOTE: THIS IS A RESTRICTED-ACCESS WEBSITE CONTAINING TECHNICAL DATA
FOR INDIAN OCEAN NATIONAL TSUNAMI WARNING CENTRES ONLY. IT IS NOT
FOR GENERAL PUBLIC ACCESS.

GENERAL PUBLIC INFORMATION FOR THIS EVENT IS AVAILABLE FROM:

JOINT AUSTRALIAN TSUNAMI WARNING CENTRE [JATWC]
BUREAU OF METEOROLOGY
MELBOURNE, AUSTRALIA
http://www.bom.gov.au/tsunami

END OF NOTIFICATION MESSAGE
---------------------------------------------------------------------

2026-10-13 12:37 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 the earthquake location near the mid-atlantic ridge a damaging TSUNAMI is not expected
An earthquake has occurred with parameters listed below

Original Message :

WEXX32 PAAQ 131236
TIBATE

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
836 AM EDT Tue Oct 13 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 the earthquake location near the Mid-Atlantic Ridge,
a damaging tsunami is not expected.

* 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 0823 EDT Oct 13 2026
0723 CDT Oct 13 2026
0823 AST Oct 13 2026
1223 UTC Oct 13 2026
* Coordinates 0.2 South 19.2 West
* Depth 6 miles
* Location near the central Mid-Atlantic Ridge

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.

$$

2026-10-13 12:36 message from IPMA link

Original Message :

WENT42 LPMG 131235
TSUNAMI MESSAGE NUMBER 001
NEAM IPMA TSUNAMI SERVICE PROVIDER
ISSUED AT 1235Z 13 OUT 2026

... TSUNAMI INFORMATION ...
THIS INFORMATION APPLIES TO BELGIUM ... CAPE VERDE ... DENMARK ... FRANCE ... GERMANY ... ICELAND ... IRELAND ... MAURITANIA ... MOROCCO ... NETHERLANDS ... NORWAY ... PORTUGAL ... SPAIN ... SWEDEN ... UNITED KINGDOM ... RUSSIAN FEDERATION ... POLAND ... LITHUANIA ... ESTONIA ... FINLAND ... ALGERIA ... ALBANIA ... BULGARIA ... CROATIA ... CYPRUS ... EGYPT ... GEORGIA ... GREECE ... ISRAEL ... ITALY ... LEBANON ... LIBYA ... MALTA ... MONACO ... ROMANIA ... SLOVENIA ... SWEDEN ... SYRIA ... TUNISIA ... TURKEY ... UKRAINE ... UNESCO ... ERCC

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 - 1223Z 13 OUT 2026
COORDINATES - 0.45 SOUTH 19.28 WEST
DEPTH - 10 KM
LOCATION - Central Mid-Atlantic Ridge
MAGNITUDE - 6.3

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.

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

END OF TSUNAMI MESSAGE NUMBER 001

2026-10-13 12:35 message from CENALT link

Key information extracted from original GTS message :

Evaluation 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 :

WEMQ40 LFPW 131234

WENT42 LFPW 131234
TSUNAMI MESSAGE NUMBER 001
NEAM CENALT TSUNAMI SERVICE PROVIDER
ISSUED AT 1234Z 13 OCT 2026

... TSUNAMI INFORMATION ...
THIS ALERT APPLIES TO ALBANIA ... ALGERIA ... BULGARIA ... CROATIA ... CYPRUS ... EGYPT ... ESTONIA ... FINLAND ... GEORGIA ... GREECE ... ISRAEL ... ITALY ... LEBANON ... LIBYA ... MALTA ... MONACO ... POLAND ... ROMANIA ... RUSSIAN FEDERATION ... SLOVENIA ... SYRIA ... TUNISIA ... TURKEY ... UKRAINE ... BELGIUM ... CAPE VERDE ... DENMARK ... FRANCE ... GERMANY ... ICELAND ... IRELAND ... MAURITANIA ... MOROCCO ... NETHERLANDS ... NORWAY ... PORTUGAL ... SENEGAL ... SPAIN ... SWEDEN ... UNITED KINGDOM

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 - 1223Z 13 OCT 2026
COORDINATES - 0.43 SOUTH 19.24 WEST
DEPTH - 5 KM
LOCATION - CENTRAL MID-ATLANTIC RIDGE
MAGNITUDE - 6.3

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.

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.

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

2026-10-13 12:35 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred near the central mid-atlantic ridge at 1223 UTC on tuesday OCTOBER 13 2026
Based on all available data there is no TSUNAMI threat to caribbean coasts from this earthquake

Original Message :

WECA43 PHEB 131233
TIBCAX

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1233 UTC TUE OCT 13 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 6.8
* ORIGIN TIME 1223 UTC OCT 13 2026
* COORDINATES 0.2 SOUTH 19.2 WEST
* DEPTH 10 KM / 6 MILES
* LOCATION CENTRAL MID-ATLANTIC RIDGE

EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.8 OCCURRED
NEAR THE CENTRAL MID-ATLANTIC RIDGE AT 1223 UTC ON TUESDAY
OCTOBER 13 2026.

* BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO
CARIBBEAN COASTS FROM THIS EARTHQUAKE.

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.

$$

2026-10-13 12:35 message from NTWC link

Key information extracted from original GTS message :

Evaluation

An earthquake with a preliminary magnitude of 6.8 occurred near the central mid-atlantic ridge at 823 am ast on tuesday OCTOBER 13 2026
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 131234
TIBCAR

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
834 AM AST TUE OCT 13 2026

AMZ712-716-726-735-742-745-PRZ001>003-005-007-008-010>013-
VIZ001-002-131434-
COASTAL AREAS OF PUERTO RICO - THE U.S. VIRGIN ISLANDS AND
THE BRITISH VIRGIN ISLANDS

...NO TSUNAMI THREAT FROM A DISTANT 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
NEAR THE CENTRAL MID-ATLANTIC RIDGE AT 823 AM AST ON TUESDAY
OCTOBER 13 2026.

* 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 823 AM AST OCT 13 2026
* COORDINATES 0.2 SOUTH 19.2 WEST
* DEPTH 6 MILES / 10 KM
* LOCATION CENTRAL MID-ATLANTIC RIDGE

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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