M 7 in Japan on 20 Mar 2021 09:09 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.



2021-03-20 19:09 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEGM42 PHEB 200926

TIBGUM



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

726 PM CHST SAT MAR 20 2021



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





AUDIENCE

--------

EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC





EVALUATION

----------



* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.2 OCCURRED

NEAR THE EAST COAST OF HONSHU, JAPAN AT 709 PM CHST ON

SATURDAY MARCH 20 2021.



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

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





RECOMMENDED ACTIONS

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



* NO ACTION IS REQUIRED.





POTENTIAL IMPACTS

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



* NO TSUNAMI IMPACTS ARE EXPECTED.





PRELIMINARY EARTHQUAKE PARAMETERS

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



* MAGNITUDE 7.2

* ORIGIN TIME 709 PM CHST MAR 20 2021

* COORDINATES 38.4 NORTH 141.7 EAST

* DEPTH 37 MILES

* LOCATION NEAR THE EAST COAST OF HONSHU JAPAN





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 WWW.TSUNAMI.GOV.



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

GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT

EARTHQUAKE.USGS.GOV.



$$



2021-03-20 10:30 message from JMA link


Original Message :

WEPA40 RJTD 201030
TSUNAMI BULLETIN ISSUED BY JMA AT 1030Z 20 MAR

ORIGIN TIME 0909Z 20 MAR
PRELIMINARY EPICENTER LAT 38.4 N. LON 141.7 E.
E OFF NORTHERN HONSHU
FOCAL DEPTH 60 KM MAG 7.2

ALL TSUNAMI WARNINGS WERE LIFTED AT 1030Z 20 MAR
NO FURTHER ACTION WILL BE TAKEN
=

>

2021-03-20 10:25 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 7.2 occurred near the east coast of honshu JAPAN at 0909 UTC on saturday MARCH 20 2021
  • Based on all available data the TSUNAMI threat from this earthquake has now passed

Original Message :

WEPA40 PHEB 201025
TSUPAC

TSUNAMI MESSAGE NUMBER 2
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1023 UTC SAT MAR 20 2021

...PTWC FINAL TSUNAMI THREAT MESSAGE...


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

THIS MESSAGE 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 *****

THE TSUNAMI FORECAST IS UPDATED IN THIS MESSAGE.


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------

* MAGNITUDE 7.2
* ORIGIN TIME 0909 UTC MAR 20 2021
* COORDINATES 38.4 NORTH 141.7 EAST
* DEPTH 60 KM / 37 MILES
* LOCATION NEAR THE EAST COAST OF HONSHU JAPAN


EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.2 OCCURRED
NEAR THE EAST COAST OF HONSHU, JAPAN AT 0909 UTC ON SATURDAY
MARCH 20 2021.

* BASED ON ALL AVAILABLE DATA... THE TSUNAMI THREAT FROM THIS
EARTHQUAKE HAS NOW PASSED.


TSUNAMI THREAT FORECAST...UPDATED
---------------------------------

* THERE IS NO LONGER A TSUNAMI THREAT FROM THIS EARTHQUAKE.


RECOMMENDED ACTIONS
-------------------

* REMAIN OBSERVANT AND EXERCISE NORMAL CAUTION NEAR THE SEA.
OTHERWISE... NO ACTION IS REQUIRED.


POTENTIAL IMPACTS
-----------------

* MINOR SEA LEVEL FLUCTUATIONS MAY OCCUR IN SOME COASTAL AREAS
NEAR THE EARTHQUAKE OVER THE NEXT FEW HOURS.


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

* THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT UNLESS
NEW INFORMATION IS 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 HAWAII... AMERICAN SAMOA... GUAM... AND
CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES
SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT
WWW.TSUNAMI.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 WWW.TSUNAMI.GOV.

$$

>

2021-03-20 09:57 message from JMA link

Key information extracted from original GTS message :
Evaluation

  • There is a possibility of a destructive local TSUNAMI near the epicenter estimation at forecast points - no TSUNAMI waves with an amplitude of 0.3 meters or more are expected at any forecast point
  • However in some coastal areas (particularly near the epicenter) higher TSUNAMI waves than estimated MAY arrive
  • Authorities should be aware of this possibility
  • This will be the final bulletin unless changes in the potential for TSUNAMI generation are deemed possible based on earthquake re-evaluation or reports indicating TSUNAMI observation are received

Original Message :

WEPA40 RJTD 200957
TSUNAMI BULLETIN NUMBER 002
ISSUED BY NWPTAC(JMA)
ISSUED AT 0957Z 20 MAR 2021
PART 01 OF 01 PARTS

HYPOCENTRAL PARAMETERS (REVISION)
ORIGIN TIME:0909Z 20 MAR 2021
PRELIMINARY EPICENTER:LAT38.4NORTH LON141.7EAST
NEAR EAST COAST OF HONSHU, JAPAN
JAPAN - KURIL ISLANDS - KAMCHATKA PENINSULA
MAG:7.1 (MW)

EVALUATION
THERE IS A POSSIBILITY OF A DESTRUCTIVE LOCAL TSUNAMI
NEAR THE EPICENTER

ESTIMATION AT FORECAST POINTS - NO TSUNAMI WAVES WITH AN AMPLITUDE
OF 0.3 METERS OR MORE ARE EXPECTED AT ANY FORECAST POINT.

HOWEVER, IN SOME COASTAL AREAS (PARTICULARLY NEAR THE EPICENTER),
HIGHER TSUNAMI WAVES THAN ESTIMATED MAY ARRIVE.
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY.

THIS WILL BE THE FINAL BULLETIN UNLESS CHANGES IN THE POTENTIAL
FOR TSUNAMI GENERATION ARE DEEMED POSSIBLE BASED ON EARTHQUAKE
RE-EVALUATION OR REPORTS INDICATING TSUNAMI OBSERVATION ARE
RECEIVED.

=

>

2021-03-20 09:25 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 200924
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
224 AM PDT Sat Mar 20 2021

...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 of the earthquake and changes may occur.

* Magnitude 7.2
* Origin Time 0110 AKDT Mar 20 2021
0210 PDT Mar 20 2021
0910 UTC Mar 20 2021
* Coordinates 38.4 North 141.7 East
* Depth 37 miles
* Location near the east coast of Honshu, Japan


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.

$$

>

2021-03-20 09:23 message from NTWC link

Key information extracted from original GTS message :
Evaluation

  • An earthquake with a preliminary magnitude of 7.2 occurred near the east coast of honshu JAPAN at 0909 UTC on saturday MARCH 20 2021
  • Based on the preliminary earthquake parameters hazardous TSUNAMI waves are possible for coasts located within 300 km of the earthquake epicenter
Threat Forecast

  • Hazardous TSUNAMI waves from this earthquake are possible within 300 km of the epicenter along the coasts of japan.

Original Message :

WEPA40 PHEB 200923
TSUPAC

TSUNAMI MESSAGE NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
0922 UTC SAT MAR 20 2021

...PTWC TSUNAMI THREAT MESSAGE...


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

THIS MESSAGE 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 - FROM JMA
--------------------------------------------

* MAGNITUDE 7.2
* ORIGIN TIME 0909 UTC MAR 20 2021
* COORDINATES 38.4 NORTH 141.7 EAST
* DEPTH 60 KM / 37 MILES
* LOCATION NEAR THE EAST COAST OF HONSHU JAPAN


EVALUATION
----------

* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.2 OCCURRED
NEAR THE EAST COAST OF HONSHU, JAPAN AT 0909 UTC ON SATURDAY
MARCH 20 2021.

* BASED ON THE PRELIMINARY EARTHQUAKE PARAMETERS... HAZARDOUS
TSUNAMI WAVES ARE POSSIBLE FOR COASTS LOCATED WITHIN 300 KM
OF THE EARTHQUAKE EPICENTER.


TSUNAMI THREAT FORECAST
-----------------------

* HAZARDOUS TSUNAMI WAVES FROM THIS EARTHQUAKE ARE POSSIBLE
WITHIN 300 KM OF THE EPICENTER ALONG THE COASTS OF

JAPAN.


RECOMMENDED ACTIONS
-------------------

* GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS
SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL
POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN
EVALUATION... PROCEDURES AND THE LEVEL OF THREAT.

* PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT
FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND
LOCAL AUTHORITIES.


ESTIMATED TIMES OF ARRIVAL
--------------------------

* ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE
FOR PLACES WITH A POTENTIAL TSUNAMI THREAT. ACTUAL ARRIVAL
TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE
LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN
WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION REGION COORDINATES ETA(UTC)
------------------------------------------------------------
HACHINOHE JAPAN 40.5N 141.5E 1019 03/20
NIIGATA JAPAN 38.0N 139.0E 1233 03/20


POTENTIAL IMPACTS
-----------------

* A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS
CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST
FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE.

* IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO
THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION
OF THE SHORELINE.

* IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT
THE TIME OF THE MAXIMUM TSUNAMI WAVES.

* PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE
CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA.


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

* THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF
THE SITUATION WARRANTS.

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

$$

>

2021-03-20 09:22 link


Original Message :

WEIO24 AMMC 200921
---------------------------------------------------------------------
TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1
IOTWMS TSUNAMI SERVICE PROVIDER AUSTRALIA [JATWC]
ISSUED AT 0921 UTC SATURDAY 20 MARCH 2021
---------------------------------------------------------------------
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: 7.0 MWP
DEPTH: 54KM
DATE: 20 MAR 2021
ORIGIN TIME: 0909 UTC
LATITUDE: 38.58N
LONGITUDE: 141.37E
LOCATION: NEAR EAST COAST OF HONSHU, JAPAN

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

>

2021-03-20 09:20 link


Original Message :

WEIO22 WIIX 200919
TSP-INATEWS-20210320-0919-001
--------------------------------------------------------------------------------
TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1
IOTWMS TSUNAMI SERVICE PROVIDER INDONESIA (INATEWS-BMKG)
ISSUED AT 0919 UTC, MAR 20, 2021
--------------------------------------------------------------------------------
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 : 7.0 MWP
DEPTH : 10KM
DATE : 20 MAR 2021
ORIGIN TIME: 09:09:42 UTC
LATITUDE : 38.46N
LONGITUDE : 141.32E
LOCATION : NEAR EAST COAST OF HONSHU, JAPAN

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

>

2021-03-20 09:15 message from JMA link

Key information extracted from original GTS message :
Evaluation

  • There is a possibility of a destructive local TSUNAMI near the epicenter estimation at forecast points - no TSUNAMI waves with an amplitude of 0.3 meters or more are expected at any forecast point
  • However in some coastal areas (particularly near the epicenter) higher TSUNAMI waves than estimated MAY arrive
  • Authorities should be aware of this possibility
  • This will be the final bulletin unless changes in the potential for TSUNAMI generation are deemed possible based on earthquake re-evaluation or reports indicating TSUNAMI observation are received

Original Message :

WEPA40 RJTD 200915
TSUNAMI BULLETIN NUMBER 001
ISSUED BY NWPTAC(JMA)
ISSUED AT 0915Z 20 MAR 2021
PART 01 OF 01 PARTS

HYPOCENTRAL PARAMETERS
ORIGIN TIME:0909Z 20 MAR 2021
PRELIMINARY EPICENTER:LAT38.4NORTH LON141.7EAST
NEAR EAST COAST OF HONSHU, JAPAN
JAPAN - KURIL ISLANDS - KAMCHATKA PENINSULA
MAG:7.2 (MJMA)

EVALUATION
THERE IS A POSSIBILITY OF A DESTRUCTIVE LOCAL TSUNAMI
NEAR THE EPICENTER

ESTIMATION AT FORECAST POINTS - NO TSUNAMI WAVES WITH AN AMPLITUDE
OF 0.3 METERS OR MORE ARE EXPECTED AT ANY FORECAST POINT.

HOWEVER, IN SOME COASTAL AREAS (PARTICULARLY NEAR THE EPICENTER),
HIGHER TSUNAMI WAVES THAN ESTIMATED MAY ARRIVE.
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY.

THIS WILL BE THE FINAL BULLETIN UNLESS CHANGES IN THE POTENTIAL
FOR TSUNAMI GENERATION ARE DEEMED POSSIBLE BASED ON EARTHQUAKE
RE-EVALUATION OR REPORTS INDICATING TSUNAMI OBSERVATION ARE
RECEIVED.

=

>

2021-03-20 09:11 message from JMA link


Original Message :

WEPA40 RJTD 200911
TSUNAMI BULLETIN ISSUED BY JMA AT 0911Z 20 MAR

ORIGIN TIME 0909Z 20 MAR
PRELIMINARY EPICENTER LAT 38.4 N. LON 141.7 E.
E OFF NORTHERN HONSHU
FOCAL DEPTH 60 KM MAG 7.2

TSUNAMI ADVISORIES ARE IN EFFECT
FOR THE FOLLOWING COASTAL AREAS OF JAPAN:
PACIFIC COASTS OF NORTH JAPAN
=

>

2021-03-20 09:09 link


Original Message :

WEIO20 DEMS 200919

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

TSUNAMI BULLETIN NOTIFICATION MESSAGE NUMBER 1

IOTWMS TSUNAMI SERVICE PROVIDER INDIA (ITEWC)



ISSUED AT 0919 UTC SATURDAY 20 MARCH 2021

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

TO: INDIAN OCEAN NATIONAL TSUNAMI WARNING CENTRES (NTWC)

FROM: IOTWMS-TSP INDIA



NOTIFICATION:

IOTWMS-TSP INDIA HAS JUST ISSUED TSUNAMI BULLETIN NUMBER 1



FOR THE INDIAN OCEAN, BASED ON THE FOLLOWING EARTHQUAKE EVENT:



Magnitude : 7.0

Depth : 10.0

Date : 20 Mar 2021

Origin Time : 0909 UTC

Latitude : 38.49 N

Longitude : 141.95 E

Location : Near East Coast of Honshu, Japan





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

https://tsunami.incois.gov.in/TEWS/displaybulletinslatest.jsp?type=TSP&eventId=incois2021fnfj&aos=exchange&currBullNo=1&latestBullNo=1



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:



INDIAN TSUNAMI EARLY WARNING CENTRE (ITEWC)

INDIAN NATIONAL CENTRE FOR OCEAN INFORMATION SERVICES (INCOIS)

ADDRESS:OCEAN VALLEY, PRAGATHI NAGAR (BO), NIZAMPET (SO),

HYDERABAD - 500 090, INDIA

PHONE: 91-40-23895011

FAX: 91-40-23895012

EMAIL: tsunami@incois.gov.in

WEB: https://tsunami.incois.gov.in/TEWS/TSP



END OF NOTIFICATION MESSAGE

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



2021-03-19 23:09 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEHW42 PHEB 200924

TIBHWX

HIZ001>003-005>009-012>014-016>021-023>026-201124-



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

1124 PM HST FRI MAR 19 2021



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 - 1109 PM HST 19 MAR 2021

COORDINATES - 38.4 NORTH 141.7 EAST

LOCATION - NEAR THE EAST COAST OF HONSHU JAPAN

MAGNITUDE - 7.2 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.



$$



2021-03-19 22:09 message from NTWC link

Key information extracted from original GTS message :
Evaluation


Original Message :

WEZS42 PHEB 200925

TIBPPG



TSUNAMI INFORMATION STATEMENT NUMBER 1

NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI

1025 PM SST FRI MAR 19 2021



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





AUDIENCE

--------

EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC





EVALUATION

----------



* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.2 OCCURRED

NEAR THE EAST COAST OF HONSHU, JAPAN AT 1009 PM SST ON

FRIDAY MARCH 19 2021.



* 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 7.2

* ORIGIN TIME 1009 PM SST MAR 19 2021

* COORDINATES 38.4 NORTH 141.7 EAST

* DEPTH 37 MILES

* LOCATION NEAR THE EAST COAST OF HONSHU JAPAN





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 WWW.TSUNAMI.GOV.



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

GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT

EARTHQUAKE.USGS.GOV.



$$