M 6.4 in Samoa on 30 Mar 2015 08:18 UTC

Global Telecommunication Service

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2022-09-16 12:15 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 6.8 occurred in the TONGA ISLANDS at 0818 UTC on monday MARCH 30 2015
  • Based on all available data there is no TSUNAMI threat from this earthquake

Original Message :

193
WEPA42 PHEB 300828
TIBPAC

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
0827 UTC MON MAR 30 2015

..PTWC TSUNAMI INFORMATION STATEMENT...


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

THIS STATEMENT IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM 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 0818 UTC MAR 30 2015
* COORDINATES 15.1 SOUTH 172.4 WEST
* DEPTH 80 KM / 50 MILES
* LOCATION TONGA


EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.8 OCCURRED IN
THE TONGA ISLANDS AT 0818 UTC ON MONDAY MARCH 30 2015.

* BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT
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/EARTHQUAKES -ALL LOWER CASE-.

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

* COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND
CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES
SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT
PTWC.WEATHER.GOV.

* COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON...
BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S. NATIONAL
TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND AT
NTWC.ARH.NOAA.GOV.

$$
=03

2022-09-16 12:14 link


Original Message :

195
WEIO24 AMMC 300829
---------------------------------------------------------------------
TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1
REGIONAL TSUNAMI SERVICE PROVIDER - RTSP AUSTRALIA [JATWC]
ISSUED AT 0829 UTC MONDAY 30 MARCH 2015
---------------------------------------------------------------------
TO: INDIAN OCEAN NATIONAL TSUNAMI WARNING CENTRES [NTWCs]
FROM: RTSP AUSTRALIA

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

MAGNITUDE: 6.8 MWP
DEPTH: 60KM
DATE: 30 MAR 2015
ORIGIN TIME: 0818 UTC
LATITUDE: 15.47S
LONGITUDE: 172.44W
LOCATION: SAMOA ISLANDS REGION

TO VIEW THE BULLETIN GO TO THE RTSP 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
---------------------------------------------------------------------
=03

2022-09-16 12:13 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • Based on all available data a destructive pacific-wide TSUNAMI is not expected and there is no TSUNAMI threat to hawaii
  • Repeat
  • A destructive pacific-wide TSUNAMI is not expected and there is no TSUNAMI threat to hawaii
  • This will be the only statement issued for this event unless additional data are received

Original Message :

194
WEHW42 PHEB 300829
TIBHWX
HIZ001>003-005>009-012>014-016>021-023>026-301029-

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1029 PM HST SUN MAR 29 2015

TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII

SUBJECT - TSUNAMI INFORMATION STATEMENT

THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME - 1018 PM HST 29 MAR 2015
COORDINATES - 15.1 SOUTH 172.4 WEST
LOCATION - TONGA
MAGNITUDE - 6.8 MOMENT

EVALUATION

BASED ON ALL AVAILABLE DATA A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS
NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. REPEAT. A
DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO
TSUNAMI THREAT TO HAWAII.

THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED.

$$
=03

2022-09-16 12:13 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • There is no TSUNAMI danger for the areas listed above
  • Based on earthquake information and historic TSUNAMI records the earthquake was not sufficient to generate a tsunami
  • An earthquake has occurred with parameters listed below

Original Message :

196
WEAK53 PAAQ 300829
TIBAK1

PUBLIC TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK
129 AM PDT MON MAR 30 2015

..THIS IS A TSUNAMI INFORMATION STATEMENT FOR ALASKA/ BRITISH
COLUMBIA/ WASHINGTON/ OREGON AND CALIFORNIA...

EVALUATION
----------
* THERE IS NO TSUNAMI DANGER FOR THE AREAS LISTED ABOVE.

* BASED ON EARTHQUAKE INFORMATION AND HISTORIC TSUNAMI RECORDS
THE EARTHQUAKE WAS NOT SUFFICIENT TO GENERATE A TSUNAMI.

* AN EARTHQUAKE HAS OCCURRED WITH PARAMETERS LISTED BELOW.


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* MAGNITUDE 6.8
* ORIGIN TIME 0018 AKDT MAR 30 2015
0118 PDT MAR 30 2015
0818 UTC MAR 30 2015
* COORDINATES 15.1 SOUTH 172.4 WEST
* DEPTH 50 MILES
* LOCATION SAMOA ISLANDS REGION


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* THIS WILL BE THE ONLY U.S. NATIONAL TSUNAMI WARNING CENTER
MESSAGE FOR THIS EVENT UNLESS ADDITIONAL INFORMATION BECOMES
AVAILABLE.

* REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR
ADDITIONAL INFORMATION.

* PACIFIC COASTAL REGIONS OUTSIDE CALIFORNIA... OREGON...
WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE
PACIFIC TSUNAMI WARNING CENTER MESSAGES AT PTWC.WEATHER.GOV.

$$
=03