Wednesday, April 11, 2012

Update Terbaru - Paras kedalaman air

Assalamualaikum...

Nie ade update terbaru dari Pacific Tsunami Warning Centre mengenai paras air laut di beberapa kawasan...

Data lengkap mengenainya..



TSUNAMI BULLETIN NUMBER 007
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 1318Z 11 APR 2012

THIS BULLETIN IS FOR ALL AREAS OF THE INDIAN OCEAN.

... TSUNAMI WATCH CANCELLATION SUPPLEMENT ...

... UPDATED SEA-LEVEL MEASUREMENTS ...

THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES.  ONLY
NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE
DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND
ANY ACTIONS TO BE TAKEN IN RESPONSE.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

 ORIGIN TIME -  0839Z 11 APR 2012
 COORDINATES -   2.3 NORTH   93.1 EAST
 LOCATION    -  OFF W COAST OF NORTHERN SUMATRA
 MAGNITUDE   -  8.7

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

 GAUGE LOCATION        LAT   LON    TIME        AMPL         PER
 -------------------  ----- ------  -----  ---------------  -----
 MALE MV               4.2N  73.5E  1223Z   0.19M /  0.6FT  06MIN
 GAN MV                0.7S  73.2E  1212Z   0.03M /  0.1FT  48MIN
 HANIMAADHOO MV        6.8N  73.2E  1235Z   0.25M /  0.8FT  06MIN
 PADANG ID             1.0S 100.4E  1208Z   0.09M /  0.3FT  34MIN
 KO TAPHAO NOI TH      7.8N  98.4E  1143Z   0.05M /  0.2FT  06MIN
 ENGGANO ID            5.3S 102.3E  1104Z   0.12M /  0.4FT  04MIN
 TRINCONMALEE LK       8.6N  81.2E  1129Z   0.06M /  0.2FT  16MIN
 TELUKDALAM ID         0.6N  97.8E  1044Z   0.22M /  0.7FT  14MIN
 COCOS ISLAND AU      12.1S  96.9E  1102Z   0.08M /  0.3FT  18MIN
 SABANG ID             5.8N  95.3E  1010Z   0.36M /  1.2FT  06MIN
 MEULABOH ID           4.1N  96.1E  1007Z   1.06M /  3.5FT  12MIN
 DART 23401            8.9N  88.5E  0956Z   0.03M /  0.1FT  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 SIGNIFICANT TSUNAMI WAS GENERATED BY THIS EARTHQUAKE.
 HOWEVER...SEA LEVEL READINGS NOW INDICATE THAT THE THREAT HAS
 DIMINISHED OR IS OVER FOR MOST AREAS.  THEREFORE THE TSUNAMI
 WATCH ISSUED BY THIS CENTER IS NOW CANCELLED.

 FOR ANY AFFECTED AREAS - WHEN NO MAJOR WAVES HAVE OCCURRED FOR AT
 LEAST TWO HOURS AFTER THE ESTIMATED ARRIVAL TIME OR DAMAGING WAVES
 HAVE NOT OCCURRED FOR AT LEAST TWO HOURS THEN LOCAL AUTHORITIES
 CAN ASSUME THE THREAT IS PASSED. DANGER TO BOATS AND COASTAL
 STRUCTURES CAN CONTINUE FOR SEVERAL HOURS DUE TO RAPID CURRENTS.
 AS LOCAL CONDITIONS CAN CAUSE A WIDE VARIATION IN TSUNAMI WAVE
 ACTION THE ALL CLEAR DETERMINATION MUST BE MADE BY LOCAL
 AUTHORITIES.

THIS WILL BE THE FINAL BULLETIN ISSUED BY THE PACIFIC TSUNAMI
WARNING CENTER FOR THIS EVENT UNLESS ADDITIONAL INFORMATION
BECOMES AVAILABLE.

THE JAPAN METEOROLOGICAL AGENCY MAY ISSUE ADDITIONAL INFORMATION
FOR THIS EVENT. IN THE CASE OF CONFLICTING INFORMATION...THE
MORE CONSERVATIVE INFORMATION SHOULD BE USED FOR SAFETY.

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