M 6.6 in North Of Ascension Island on 18 Aug 2017 02:59 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.

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2017-08-18 03:32 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 MEXICO 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 180316
TIBATE

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
1116 PM EDT Thu Aug 17 2017

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

EVALUATION
----------
* There is no tsunami danger for the U.S. east coast, the Gulf of
Mexico 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 and changes may occur.

* Magnitude 6.7
* Origin Time 2259 EDT Aug 17 2017
2159 CDT Aug 17 2017
2259 AST Aug 17 2017
0259 UTC Aug 18 2017
* Coordinates 0.9 South 13.9 West
* Depth 12 miles
* Location north of Ascension Island, central Atlantic Ocean


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.

$$

2017-08-18 03:32 link


Original Message :

WEIO24 AMMC 180321
---------------------------------------------------------------------
TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1
IOTWMS TSUNAMI SERVICE PROVIDER AUSTRALIA [JATWC]
ISSUED AT 0321 UTC FRIDAY 18 AUGUST 2017
---------------------------------------------------------------------
TO: INDIAN OCEAN NATIONAL TSUNAMI WARNING CENTRES [NTWCs]
FROM: IOTWMS-TSP AUSTRALIA

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

MAGNITUDE: 6.5 MWP
DEPTH: 15KM
DATE: 18 AUG 2017
ORIGIN TIME: 0259 UTC
LATITUDE: 1.27S
LONGITUDE: 14.03W
LOCATION: NORTH OF ASCENSION ISLAND

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

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

NOTE: THIS IS A RESTRICTED-ACCESS WEBSITE CONTAINING TECHNICAL DATA
FOR 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
---------------------------------------------------------------------

2017-08-18 03:32 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 6.7 occurred north of ascension ISLAND at 0259 UTC on friday AUGUST 18 2017
  • Based on all available data there is no TSUNAMI threat to caribbean coasts from this earthquake

Original Message :

WECA43 PHEB 180314
TIBCAX

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
0314 UTC FRI AUG 18 2017

...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 6.7
* ORIGIN TIME 0259 UTC AUG 18 2017
* COORDINATES 0.9 SOUTH 13.9 WEST
* DEPTH 19 KM / 12 MILES
* LOCATION NORTH OF ASCENSION ISLAND


EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.7 OCCURRED
NORTH OF ASCENSION ISLAND AT 0259 UTC ON FRIDAY AUGUST 18
2017.

* 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