M 6.4 in Northern Mariana Islands on 28 Aug 2018 22:35 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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2018-08-29 08:35 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEGM42 PHEB 282243

TIBGUM



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

843 AM CHST WED AUG 29 2018



...NO TSUNAMI THREAT TO GUAM/CNMI FROM A NEARBY EARTHQUAKE...





AUDIENCE

--------

EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC





EVALUATION

----------



? AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.6 OCCURRED

ABOUT 87 MILES NORTHEAST OF MEDINILLA AT 835 AM CHST ON

WEDNESDAY AUGUST 29 2018.



? BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO

GUAM... ROTA... TINIAN OR SAIPAN FROM THIS EARTHQUAKE.



? SOME AREAS MAY HAVE EXPERIENCED SHAKING.





RECOMMENDED ACTIONS

-------------------



? BE OBSERVANT AND EXERCISE NORMAL CAUTION IF YOU ARE NEAR OR

IN THE OCEAN. OTHERWISE... NO ACTION IS REQUIRED.





POTENTIAL IMPACTS

-----------------



? NO TSUNAMI IMPACTS ARE EXPECTED.





PRELIMINARY EARTHQUAKE PARAMETERS

---------------------------------



? MAGNITUDE 6.6

? ORIGIN TIME 835 AM CHST AUG 29 2018

? COORDINATES 16.8 NORTH 147.1 EAST

? DEPTH 32 MILES

? LOCATION ABOUT 87 MILES NORTHEAST OF MEDINILLA





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 MAY BE FOUND ON THE

INTERNET AT PTWC.WEATHER.GOV AND AT WWW.TSUNAMI.GOV.



? AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.

GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT

EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL LOWERCASE LETTERS-.



??



2018-08-28 23:31 message from NTWC link

Key information extracted from original GTS message :
Evaluation ? an earthquake with a preliminary magnitude of 6.6 occurred in the mariana ISLANDS region at 2235 UTC on tuesday AUGUST 28.2018.

  • ? based on all available data there is no TSUNAMI threat from this earthquake

Original Message :

WEPA42 PHEB 282243
TIBPAC

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
2243 UTC TUE AUG 28 2018

...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 6.6
? ORIGIN TIME 2235 UTC AUG 28 2018
? COORDINATES 16.8 NORTH 147.1 EAST
? DEPTH 51 KM / 32 MILES
? LOCATION MARIANA ISLANDS REGION


EVALUATION
----------

? AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.6 OCCURRED IN
THE MARIANA ISLANDS REGION AT 2235 UTC ON TUESDAY AUGUST 28
2018.

? 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-.

2018-08-28 23:31 message from JMA link

Key information extracted from original GTS message :
Evaluation

  • There is a very small possibility of a destructive local TSUNAMI estimation at the forecast points - no tsunamis with amplitude of 0.5 meter or over are expected at any of them
  • However at some coasts particularly those near the epicenter higher tsunamis MAY arrive than our estimation authorities should be aware of this possibility
  • This will be the final bulletin unless there are changes about the potential of TSUNAMI generation by re-evaluation of the earthquake or there are reports on TSUNAMI observations

Original Message :

WEPA40 RJTD 282256
TSUNAMI BULLETIN NUMBER 001
ISSUED BY NWPTAC(JMA)
ISSUED AT 2256Z 28 AUG 2018
PART 01 OF 01 PARTS

HYPOCENTRAL PARAMETERS
ORIGIN TIME:2235Z 28 AUG 2018
PRELIMINARY EPICENTER:LAT16.8NORTH LON147.1EAST
MARIANA ISLANDS REGION
GUAM TO JAPAN
MAG:6.6
BY PTWC

EVALUATION
THERE IS A VERY SMALL POSSIBILITY OF A DESTRUCTIVE LOCAL TSUNAMI

ESTIMATION AT THE FORECAST POINTS - NO TSUNAMIS WITH
AMPLITUDE OF 0.5 METER OR OVER ARE EXPECTED AT ANY OF THEM.

HOWEVER AT SOME COASTS, PARTICULARLY THOSE NEAR THE EPICENTER, HIGHER
TSUNAMIS MAY ARRIVE THAN OUR ESTIMATION
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY.

THIS WILL BE THE FINAL BULLETIN UNLESS THERE ARE CHANGES ABOUT
THE POTENTIAL OF TSUNAMI GENERATION BY RE-EVALUATION OF THE
EARTHQUAKE OR THERE ARE REPORTS ON TSUNAMI OBSERVATIONS.

=

2018-08-28 23:31 link


Original Message :

WEIO22 WIIX 282244
TSP-INATEWS-20180828-2244-001
---------------------------------------------------------------------
-----------
TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1
IOTWMS TSUNAMI SERVICE PROVIDER INDONESIA (INATEWS-BMKG)
ISSUED AT 2244 UTC, TUESDAY, 28 AUGUST 2018
---------------------------------------------------------------------
-----------
TO: INDIAN OCEAN NATIONAL TSUNAMI WARNING CENTRES (NTWC)
FROM: IOTWMS-TSP INDONESIA

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

MAGNITUDE : 6.8 MWP
DEPTH : 83KM
DATE : 28 AUG 2018
ORIGIN TIME: 22:35:11 UTC
LATITUDE : 16.77N
LONGITUDE : 147.18E
LOCATION : MARIANA ISLANDS REGION

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

HTTP://RTSP.BMKG.GO.ID

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:

INDONESIA TSUNAMI EARLY WARNING SYSTEM (INATEWS)
THE AGENCY FOR METEOROLOGY CLIMATOLOGY AND GEOPHYSICS (BMKG)
ADDRESS: JL. ANGKASA I NO.2 KEMAYORAN, JAKARTA, INDONESIA, 10720
TEL.: 62 (21) 65867045
FAX: 62 (21) 6546316
P.O. BOX 3540 JAKARTA
WEBSITE: HTTP://RTSP.BMKG.GO.ID/PUBLICBULL.PHP
EMAIL : INARTSP?BMKG.GO.ID
MONITRTWP?BMKG.GO.ID

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

2018-08-28 23:31 message from NTWC link

Key information extracted from original GTS message :
Evaluation ? there is no TSUNAMI danger for the u.s. west coast BRITISH columbia or alaska.

  • ? 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 :

WEAK53 PAAQ 282244
TIBAK1

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK
344 PM PDT TUE AUG 28 2018

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

EVALUATION
----------
? THERE IS NO TSUNAMI DANGER FOR THE U.S. WEST COAST, BRITISH
COLUMBIA, OR ALASKA.

? 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 AND CHANGES MAY OCCUR.

? MAGNITUDE 6.6
? ORIGIN TIME 1435 AKDT AUG 28 2018
1535 PDT AUG 28 2018
2235 UTC AUG 28 2018
? COORDINATES 16.8 NORTH 147.1 EAST
? DEPTH 33 MILES
? LOCATION IN THE MARIANA ISLANDS REGION


ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
? REFER TO THE INTERNET SITE TSUNAMI.GOV FOR MORE INFORMATION.

? PACIFIC COASTAL REGIONS OUTSIDE CALIFORNIA, OREGON, WASHINGTON,
BRITISH COLUMBIA, AND ALASKA 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.

??

2018-08-28 12:35 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEHW42 PHEB 282243

TIBHWX

HIZ001?003-005?009-012?014-016?021-023?026-290043-



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

1243 PM HST TUE AUG 28 2018



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 - 1235 PM HST 28 AUG 2018

COORDINATES - 16.8 NORTH 147.1 EAST

LOCATION - MARIANA ISLANDS REGION

MAGNITUDE - 6.6 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.



??



2018-08-28 11:35 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEZS42 PHEB 282244

TIBPPG



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

1144 AM SST TUE AUG 28 2018



...NO TSUNAMI THREAT FROM A DISTANT EARTHQUAKE...





AUDIENCE

--------

EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC





EVALUATION

----------



? AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.6 OCCURRED IN

THE MARIANA ISLANDS REGION AT 1135 AM SST ON TUESDAY AUGUST

28 2018.



? BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO

AMERICAN SAMOA FROM THIS EARTHQUAKE.





RECOMMENDED ACTIONS

-------------------



? NO ACTION IS REQUIRED.





POTENTIAL IMPACTS

-----------------



? NO TSUNAMI IMPACTS ARE EXPECTED.





PRELIMINARY EARTHQUAKE PARAMETERS

---------------------------------



? MAGNITUDE 6.6

? ORIGIN TIME 1135 AM SST AUG 28 2018

? COORDINATES 16.8 NORTH 147.1 EAST

? DEPTH 32 MILES

? LOCATION MARIANA ISLANDS REGION





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 MAY BE FOUND ON THE

INTERNET AT PTWC.WEATHER.GOV AND AT WWW.TSUNAMI.GOV.



? AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.

GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT

EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL LOWERCASE LETTERS-.



??