Saturday, 22nd July 2017

Tsunami warning

Posted on 11. Mar, 2011 by Florent Baarsch in Tsunami

Tsunami warning on Tuvalu! We are in our room in the lodge waiting for more updates
from the radio. The police has been driving around making sure that everybody are aware.
The warning is 1am in the morning - so in 1,5 hours. 

Some of the Tuvaluans are a bit stressed out. 

More updates coming!

This is the last update. Keep updated on the tsunamies on: http://www.weather.gov/ptwc/

000
WEHW40 PHEB 111031
TSUHWX

HIZ001>003-005>009-012>014-016>021-023>026-111231-
/O.CON.PHEB.TS.W.0001.000000T0000Z-000000T0000Z/

BULLETIN
TSUNAMI MESSAGE NUMBER   6
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1231 AM HST FRI MAR 11 2011

TO - CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT - TSUNAMI WARNING SUPPLEMENT

A TSUNAMI WARNING CONTINUES IN EFFECT FOR THE STATE OF HAWAII.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 0746 PM HST 10 MAR 2011
   COORDINATES - 38.3 NORTH  142.4 EAST
   LOCATION    - NEAR EAST COAST OF HONSHU  JAPAN
   MAGNITUDE   - 8.9  MOMENT

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

 GAUGE LOCATION        LAT   LON    TIME        AMPL         PER
 -------------------  ----- ------  -----  ---------------  -----
 DART 21415           50.2N 171.8E  0845Z   0.27M /  0.9FT  52MIN
 WAKE US              19.3N 166.6E  0928Z   0.39M /  1.3FT  14MIN
 NAHA OKINAWA JP      26.2N 127.7E  0901Z   0.25M /  0.8FT  60MIN
 SAIPAN US            15.2N 145.7E  0916Z   0.65M /  2.1FT  30MIN
 TOSASHIMIZU SHIKOKU  32.8N 133.0E  0753Z   0.92M /  3.0FT  68MIN
 OMAEZAKI HONSHU JP   34.6N 138.2E  0818Z   1.42M /  4.6FT  56MIN
 DART 21419           44.5N 155.7E  0716Z   0.40M /  1.3FT  20MIN
 DART 21413           30.5N 152.1E  0659Z   0.76M /  2.5FT  32MIN
 HANASAKI HOKKAIDO J  43.3N 145.6E  0657Z   2.79M /  9.2FT  76MIN
 DART 21401           42.6N 152.6E  0643Z   0.67M /  2.2FT  40MIN
 DART 21418           38.7N 148.7E  0619Z   1.08M /  3.5FT  06MIN

 LAT  - LATITUDE (N-NORTH, S-SOUTH)
 LON  - LONGITUDE (E-EAST, W-WEST)
 TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME)
 AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL.
        IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
        VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
 PER  - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.

 NOTE - DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY
        ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL
         MEASUREMENTS AT SIMILAR LOCATIONS.

EVALUATION

 A TSUNAMI HAS BEEN GENERATED THAT COULD CAUSE DAMAGE ALONG
 COASTLINES OF ALL ISLANDS IN THE STATE OF HAWAII. URGENT ACTION
 SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY.

 A TSUNAMI IS A SERIES OF LONG OCEAN WAVES. EACH INDIVIDUAL WAVE
 CREST CAN LAST 5 TO 15 MINUTES OR MORE AND EXTENSIVELY FLOOD
 COASTAL AREAS. THE DANGER CAN CONTINUE FOR MANY HOURS AFTER THE
 INITIAL WAVE AS SUBSEQUENT WAVES ARRIVE. TSUNAMI WAVE HEIGHTS
 CANNOT BE PREDICTED AND THE FIRST WAVE MAY NOT BE THE LARGEST.
 TSUNAMI WAVES EFFICIENTLY WRAP AROUND ISLANDS. ALL SHORES ARE AT
 RISK NO MATTER WHICH DIRECTION THEY FACE. THE TROUGH OF A TSUNAMI
 WAVE MAY TEMPORARILY EXPOSE THE SEAFLOOR BUT THE AREA WILL
 QUICKLY FLOOD AGAIN. EXTREMELY STRONG AND UNUSUAL NEARSHORE
 CURRENTS CAN ACCOMPANY A TSUNAMI. DEBRIS PICKED UP AND CARRIED
 BY A TSUNAMI AMPLIFIES ITS DESTRUCTIVE POWER. SIMULTANEOUS HIGH
 TIDES OR HIGH SURF CAN SIGNIFICANTLY INCREASE THE TSUNAMI HAZARD.

 THE ESTIMATED ARRIVAL TIME IN HAWAII OF THE FIRST TSUNAMI WAVE IS

                     0307 AM HST FRI 11 MAR 2011

MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.

8 Responses to “Tsunami warning”

  1. anna 11 March 2011 at %I:%M %p #

    I have not visited Tuvalu for some time (how I miss it so).

    Please take care. I am thinking of you all.

  2. Rasmus Beck 11 March 2011 at %I:%M %p #

    I really, really hope you are ok. Please update!

  3. Matt Lightfoot 11 March 2011 at %I:%M %p #

    Hi any news on the Tsunami hitting Tuvalu?

  4. baerbel 11 March 2011 at %I:%M %p #

    A lot of people are thinking about you all in the South Pacific and worrying about you. We wish you well. We´re living on a tiny island ourselves, so we know about the power of the sea. All the best!!!

  5. theresa 12 March 2011 at %I:%M %p #

    Many people are worried about your small but beautiful country, and are praying that you will all be safe.

    Is there any update?

  6. Peter & Robyn 12 March 2011 at %I:%M %p #

    We are concerned in Australia about how you are getting on after the latest tsunami. The news media never mentions the smaller island communities like yours and Kiribati, Puka Puka etc. Is there any damage? Please get back to us.

    Cheers,

    Peter & Robyn Cooper

  7. mah 12 March 2011 at %I:%M %p #

    alguma nova informação?
    Tuvalu é muito linda, to preocupada com as pessoas que moram aí.

  8. graciela venturini 13 March 2011 at %I:%M %p #

    Cómo están en Tuvalu. Los alcanzó el tsunami? Desde Argentina preocupados por ustedes. Los abrazamos. Graciela



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