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Author Topic: TSUNAMI EVENTS, Warnings too  (Read 8243 times)

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #15 on: March 02, 2016, 08:37:10 AM »
Yowbarb Note: The M7.9 near southwest of Padang resulted in a local tsunami warning, not posted on the official sites. Excerpt below:
...
http://www.channelnewsasia.com/news/asiapacific/8-2-magnitude-quake/2566302.html?cid=fbsg

TSUNAMI WARNING

By 9.15pm, Indonesia's met agency had issued a tsunami warning and about an hour later, local media reported that it was lifted.

However the head of Indonesia's met agency Andi Eka Sakya told media at 10.30pm that the alert was not officially lifted, although the possibility of a tsunami at that point was slim
« Last Edit: March 03, 2016, 03:41:20 AM by Yowbarb »

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #16 on: March 02, 2016, 08:33:16 PM »
http://www.ioc-tsunami.org/index.php?option=com_content&view=featured&Itemid=93&lang=en

Intergovernmental Oceanographic Commission Tsunami Programme

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #17 on: April 04, 2016, 01:40:33 AM »
I didn't get this posted this morning. It was a 7.2 not 6.9 as in this warning msg. The threat was considered passed by about 0915 UTC on Sunday. There was a tsunami threat to several coastlines within 300 miles of this large quake.
The first message posted is the first tsunami threat message (just the link) there was a second one, then the final message which I am posting. http://ptwc.weather.gov/ptwc/text.php?id=pacific.TSUPAC.2016.04.03.0832
...
http://ptwc.weather.gov/ptwc/

http://ptwc.weather.gov/text.php?id=pacific.TSUPAC.2016.04.03.0914

000
WEPA40 PHEB 030914
TSUPAC

TSUNAMI MESSAGE NUMBER 2
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
0912 UTC SUN APR 3 2016
...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 *****

NOTE REDUCED MAGNITUDE

PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
  * MAGNITUDE      6.9
  * ORIGIN TIME    0824 UTC APR 3 2016
  * COORDINATES    14.2 SOUTH  166.8 EAST
  * DEPTH          33 KM / 20 MILES
  * LOCATION       VANUATU

EVALUATION
----------
  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.9 OCCURRED IN
    THE VANUATU ISLANDS AT 0824 UTC ON SUNDAY APRIL 3 2016.

  * BASED ON ALL DATA AVAILABLE TO THIS CENTER... THE TSUNAMI
    THREAT FROM THIS EARTHQUAKE HAS NOW MOSTLY PASSED. ANY
    REMAINING THREAT SHOULD BE EVALUATED BY LOCAL AUTHORITIES IN
    IMPACTED AREAS.

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

  * THE TSUNAMI THREAT HAS NOW LARGELY PASSED.

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

  * GOVERNMENT AGENCIES RESPONSIBLE FOR ANY IMPACTED COASTAL
    AREAS SHOULD MONITOR CONDITIONS AT THE COAST TO DETERMINE IF
    AND WHEN IT IS SAFE TO RESUME NORMAL ACTIVITIES.

  * PERSONS LOCATED NEAR IMPACTED COASTAL AREAS SHOULD STAY ALERT
    FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM LOCAL
    AUTHORITIES.

  * REMAIN OBSERVANT AND EXERCISE NORMAL CAUTION NEAR THE SEA.

POTENTIAL IMPACTS
-----------------
  * MINOR SEA LEVEL FLUCTUATIONS OF UP TO 0.3 METERS ABOVE AND
    BELOW THE NORMAL TIDE MAY CONTINUE 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/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.

$$



Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #18 on: April 25, 2016, 07:23:01 PM »
Video Tsunami Buoy In "EVENT MODE" Off New Jersey Coast, Sudden 180' Water Depth Change

https://youtu.be/JOBusNoO1tY

Published on Apr 24, 2016
www.undergroundworldnews.com
The buoy recorded sudden changes in water depth of fifty-five METERS (180 feet) in a matter of seconds.

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #19 on: December 09, 2016, 10:25:03 AM »
8 pointer earthquake near Solomon Islands downgraded to 7.8 and the Tsunami Watch cancelled...  screen shot below: Pacific Tsunami Warning Center updated Fri Dec 09, 2016 1818 UTC
...
http://ptwc.weather.gov/

http://ptwc.weather.gov/ptwc/text.php?id=hawaii.TSUHWX.2016.12.08.1837

768
WEHW40 PHEB 081837
TSUHWX
HIZ001>003-005>009-012>014-016>021-023>026-082037-
/O.CAN.PHEB.TS.A.0001.000000T0000Z-000000T0000Z/

BULLETIN
TSUNAMI MESSAGE NUMBER   2
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
836 AM HST THU DEC 08 2016

TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII

SUBJECT - TSUNAMI WATCH CANCELLATION

THE TSUNAMI WATCH IS CANCELLED FOR THE STATE OF HAWAII EFFECTIVE
AT 0836 AM HST.

NOTE EARTHQUAKE MAGNITUDE DOWN GRADED TO 7.8 FROM 8.0.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 0739 AM HST 08 DEC 2016
   COORDINATES - 10.7 SOUTH  161.4 EAST
   LOCATION    - SOLOMON ISLANDS
   MAGNITUDE   - 7.8  MOMENT

EVALUATION

 BASED ON ALL AVAILABLE DATA THERE IS NO TSUNAMI THREAT TO THE
 STATE OF HAWAII. THEREFORE... THE TSUNAMI WATCH FOR HAWAII IS NOW
 CANCELLED.

THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED.

$$

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #20 on: December 17, 2016, 10:36:02 AM »
Yowbarb Note: After the 7.9 quake in Papua New Guinea struck, a tsunami warning was issued. "THE TSUNAMI THREAT HAS NOW LARGELY PASSED"
...

http://ptwc.weather.gov/

http://ptwc.weather.gov/text.php?id=pacific.TSUPAC.2016.12.17.1257

000
WEPA40 PHEB 171257
TSUPAC

TSUNAMI MESSAGE NUMBER 4
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1255 UTC SAT DEC 17 2016

...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 UNCHANGED IN THIS MESSAGE.


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

  * MAGNITUDE      7.9
  * ORIGIN TIME    1051 UTC DEC 17 2016
  * COORDINATES    4.5 SOUTH  153.6 EAST
  * DEPTH          73 KM / 46 MILES
  * LOCATION       NEW IRELAND REGION  PAPUA NEW GUINEA


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.9 OCCURRED IN
    THE NEW IRELAND REGION, PAPUA NEW GUINEA AT 1051 UTC ON
    SATURDAY DECEMBER 17 2016.

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


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

  * THE TSUNAMI THREAT HAS NOW LARGELY PASSED.


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

  * GOVERNMENT AGENCIES RESPONSIBLE FOR ANY IMPACTED COASTAL
    AREAS SHOULD MONITOR CONDITIONS AT THE COAST TO DETERMINE IF
    AND WHEN IT IS SAFE TO RESUME NORMAL ACTIVITIES.

  * PERSONS LOCATED NEAR IMPACTED COASTAL AREAS SHOULD STAY ALERT
    FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM LOCAL
    AUTHORITIES.

  * REMAIN OBSERVANT AND EXERCISE NORMAL CAUTION NEAR THE SEA.


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

  * MINOR SEA LEVEL FLUCTUATIONS OF UP TO 0.3 METERS ABOVE AND
    BELOW THE NORMAL TIDE MAY CONTINUE OVER THE NEXT FEW HOURS.


TSUNAMI OBSERVATIONS
--------------------

  * THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL
    AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED
    LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH
    RESPECT TO THE NORMAL TIDE LEVEL.

                            GAUGE      TIME OF   MAXIMUM     WAVE
                         COORDINATES   MEASURE   TSUNAMI   PERIOD
    GAUGE LOCATION        LAT   LON     (UTC)     HEIGHT    (MIN)
    -------------------------------------------------------------
    TAREKUKURE WHARF SB   6.7S 156.4E    1243   0.08M/ 0.3FT  24
    DART 55023           14.7S 153.5E    1230   0.005M/0.016FT 12


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/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.

$$

R.R. Book

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Re: TSUNAMI EVENTS, Warnings too
« Reply #21 on: August 14, 2017, 05:48:14 PM »
These films just posted a few minutes ago and 18 hours ago:  South America's coastline receded this past weekend, and now waves of water are rolling onto the African coast.  Concerns that a tsunami might be in the making are being discussed.

https://www.youtube.com/watch?v=XVrnUU8hGuc

https://www.youtube.com/watch?v=izQjrEqQD5U


Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #22 on: August 14, 2017, 07:41:36 PM »
These films just posted a few minutes ago and 18 hours ago:  South America's coastline receded this past weekend, and now waves of water are rolling onto the African coast.  Concerns that a tsunami might be in the making are being discussed.

https://www.youtube.com/watch?v=XVrnUU8hGuc

https://www.youtube.com/watch?v=izQjrEqQD5U

R.R. Interesting!
Nothing mention on the usual warning system: http://ptwc.weather.gov/

R.R. Book

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Re: TSUNAMI EVENTS, Warnings too
« Reply #23 on: August 15, 2017, 04:08:30 AM »
Here's another link for tsunami updates: http://wcatwc.arh.noaa.gov/

A 4.4 earthquake is being reported off of the north coast of South America (see the green symbol).

A UNESCO report here: http://itic.ioc-unesco.org/images/docs/Carib_PTWC_ATWC_svc.pdf

...titled
Quote
CARIBBEAN AND ADJACENT REGIONS 
INTERIM TSUNAMI ADVISORY SERVICE
...says this:
Quote
Currently, real or near real-time sea level data are insufficient to quickly detect if a tsunami exists nor measure its size from all the potential Caribbean source regions.

This document: http://itic.ioc-unesco.org/images/docs/Carib_PTWC_svc.pdf
...says that there is no potential for a tsunami until undersea earthquakes reach 7 or higher on the Richter scale.  From 7.0 upward, incremental tenths on the Richter scale make all the difference in tsunami intensity. 
« Last Edit: August 15, 2017, 04:36:33 AM by R.R. Book »

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #24 on: August 15, 2017, 12:02:34 PM »
R.R. thank you!

R.R. Book

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Re: TSUNAMI EVENTS, Warnings too
« Reply #25 on: August 18, 2017, 06:31:58 AM »
Dr. Claudia Albers presents an explanation for the change in coastal water level in South America here:

https://www.youtube.com/watch?v=AViomoKqLCM

She documents the phenomenon of water receding from the shores of Uruguay and Brazil, while rising on the other side of South America along the Chilean coast.  Her explanation is that the earth's wobble is intensifying, causing a change in the location of the equator and thus the equatorial ocean bulge, such that Chile is now closer to the equatorial line and Brazil has moved away from it. 

Guess what she had to say about North America and Europe?

She said that we in North America have suddenly - already - moved away from the equator, while Europe has moved closer to it. 

My own questions: Wouldn't the tilt that she's describing mean that only the East Coast of the U.S. has moved away from the Equator, while the West Coast has tilted closer to it?

Does this mean that the U.S. will be colder now, and Europe warmer?


R.R. Book

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Re: TSUNAMI EVENTS, Warnings too
« Reply #26 on: August 20, 2017, 03:29:06 PM »
This film uploaded a short while ago depicts brave surfers riding unusually tall, rough waves off of Portugal:

https://www.youtube.com/watch?v=IXLopXNRzcU

R.R. Book

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Re: TSUNAMI EVENTS, Warnings too
« Reply #27 on: August 22, 2017, 07:28:50 AM »
Spanish-language film of receded Brazilian coastline with grounded boats:

https://www.youtube.com/watch?v=PHV2Gmx3N30

MadMax

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Re: TSUNAMI EVENTS, Warnings too
« Reply #28 on: August 27, 2017, 11:20:54 AM »
Earthquake measuring 6.6 magnitude strikes off PNG's northcoast: Pacific Tsunami Warning Center

https://www.reuters.com/article/us-quake-papua-idUSKCN1B7036

SYDNEY (Reuters) - An undersea earthquake measuring 6.6 magnitude struck off Papua New Guinea’s northeast coast on Sunday, but there was no tsunami threat, said the Hawaii-based Pacific Tsunami Warning Center.

The quake struck at a shallow depth of 10 km (six miles) just off PNG’s Manus Island, said the center.

Max.


"Ignorance is Bliss" - (Agent Smith the first Matrix Movie)

Yowbarb

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Re: TSUNAMI EVENTS, Warnings too
« Reply #29 on: August 27, 2017, 01:07:25 PM »
MadMax, such good posts...thank you for keeping up with events...

 

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