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Tsunami Warning Issued For Thai Coastal Provinces Following 8.9-Scale Quake In Indonesia


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Posted

RT @bangkokpundit: ThaiPBS have expert from Chula Uni on now who states that the risk for Thailand of a tsunami is low compared with 2004, but need 2 monitor

Posted

Ranong gov: Thai-foreign tourists have evac to higher grounds after taunami warning issued for the province /TANN

Seismologists at British Geological Survey: Tsunami risk low following 8.6-magnitude quake off Sumatra as earth moves horizontally rather than vertically /Mcot

Posted

Thank you TV for the excellent service today!

Does anyone know what is the definition of high ground (how high above sea level is minimum) and how far inland these things can go?

This earthquake is about 50% of 2004 and of a different type. The limits of 2004 should see you safe in all eventualities.

while 50% is overstating i suspect it was a lesser quake in Richter terms where magnitudes increase logarithmically, meaning the energy increases 10 times for each magnitude number.

the difference between 1-2 is negligible, but from 8 to 9 is vast. This is an 8.5 compared to what i believe was a 9.1 Also as has been said the mechanics differ in our favour this time.

Posted

RT @tulsathit: Ranong governor says his province can lay back only after it's past 8 pm.

The situation could get dangerously confusing if the 8.3 aftershock at about 6:00pm Thai time causes a tsunami. The governor (and others) may assume any danger is gone by 800pm, only taking into account the original quake.

[edited to change aftershock rating from 8.8 to 8.3]

Good point, that no one mentioned yet! The risk that an vertical aftershock is causing an tsunami when everyone is going home already.

Posted

18.22: CH7 now cut away and show news about the quake and possible tsunami.

Twitter is flowing over with tweets, some more alarmist than others.

Stay well and safe.

Posted

Thank you TV for the excellent service today!

Does anyone know what is the definition of high ground (how high above sea level is minimum) and how far inland these things can go?

This earthquake is about 50% of 2004 and of a different type. The limits of 2004 should see you safe in all eventualities.

oh thanks. Stop with this armchair nonsense.

Posted

I'm right by Phuket Airport, but moved to higher ground above my hotel. I am active on shortwave 28.490MHz and in contact with radio hams in Europe - in case there is a major disaster.

Simon

Nice one! Good Luck Simon

Posted

RT @mpoppel: Another wrong bulletin just dropped on the Reuters wire: no new 8.3 quake

RT @tulsathit: RT @ACSBKK: Krabi, Trang and Ranong airports are operational due to their distance from the coastline. Phuket Airport closed.

Posted

The Phuket beach cam linked earlier by poster Churchill is INACTIVE. Disregard pictures of bathers still swimming in the bay! :-(

Posted (edited)

Sent at 17.14 Thai time. Please add 7 hours from GMT for estimated, possible only, Tsunami arrival times......

000

WEIO21 PHEB 111014

TSUIOX

TSUNAMI BULLETIN NUMBER 003

PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS

ISSUED AT 1014Z 11 APR 2012

THIS BULLETIN IS FOR ALL AREAS OF THE INDIAN OCEAN.

... AN INDIAN-OCEAN-WIDE TSUNAMI WATCH IS IN EFFECT ...

A TSUNAMI WATCH IS IN EFFECT FOR

INDONESIA / INDIA / AUSTRALIA / SRI LANKA / MYANMAR / THAILAND /

MALDIVES / UNITED KINGDOM / MALAYSIA / MAURITIUS / REUNION /

SEYCHELLES / OMAN / PAKISTAN / SOMALIA / MADAGASCAR / IRAN /

UAE / YEMEN / COMORES / MOZAMBIQUE / KENYA / TANZANIA /

CROZET ISLANDS / BANGLADESH / KERGUELEN ISLANDS / SOUTH AFRICA /

SINGAPORE

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

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

DART 23401 8.9N 88.5E 0956Z 0.03M / 0.1FT 06MIN

MEULABOH ID 4.1N 96.1E 0950Z 0.27M / 0.9FT 14MIN

SABANG ID 5.8N 95.3E 0956Z 0.31M / 1.0FT 08MIN

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

SEA LEVEL READINGS INDICATE A TSUNAMI WAS GENERATED. IT MAY

ALREADY HAVE BEEN DESTRUCTIVE ALONG SOME COASTS.

BASED ON THESE DATA THE THREAT CONTINUES FOR ALL COASTAL AREAS OF

THE INDIAN OCEAN. FOR THOSE 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.

ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS

WITHIN THE WARNING AND WATCH AREAS ARE GIVEN BELOW. 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

SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR.

LOCATION FORECAST POINT COORDINATES ARRIVAL TIME

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

INDONESIA SIMEULUE 2.5N 96.0E 0912Z 11 APR

BANDA_ACEH 5.5N 95.1E 0933Z 11 APR

SIBERUT 1.5S 98.7E 0944Z 11 APR

PADANG 0.9S 100.1E 1025Z 11 APR

BENGKULU 3.9S 102.0E 1037Z 11 APR

CILACAP 7.8S 108.9E 1150Z 11 APR

BANDAR_LAMPUNG 5.7S 105.3E 1200Z 11 APR

BALI 8.7S 115.3E 1234Z 11 APR

BELAWAN 3.8N 98.8E 1326Z 11 APR

KUPANG 10.0S 123.4E 1333Z 11 APR

BALI 8.7S 115.3E 1234Z 11 APR

INDIA GREAT_NICOBAR 7.1N 93.6E 0937Z 11 APR

LITTLE_ANDAMAN 10.7N 92.3E 1015Z 11 APR

NORTH_ANDAMAN 13.3N 92.6E 1045Z 11 APR

PORT_BLAIR 11.9N 92.7E 1050Z 11 APR

CHENNAI 13.4N 80.4E 1134Z 11 APR

TRIVANDRUM 8.3N 76.9E 1204Z 11 APR

KAKINADA 17.2N 82.7E 1204Z 11 APR

MANGALORE 13.3N 74.4E 1339Z 11 APR

BOMBAY 18.8N 72.6E 1605Z 11 APR

GULF_OF_KUTCH 22.7N 68.9E 1636Z 11 APR

AUSTRALIA COCOS_ISLAND 12.1S 96.7E 1046Z 11 APR

NORTH_WEST_CAPE 21.5S 113.9E 1312Z 11 APR

CAPE_INSPIRATIO 25.9S 113.0E 1413Z 11 APR

PERTH 32.0S 115.3E 1421Z 11 APR

AUGUSTA 34.3S 114.7E 1440Z 11 APR

GERALDTOWN 28.6S 114.3E 1456Z 11 APR

CAPE_LEVEQUE 16.1S 122.6E 1500Z 11 APR

ESPERANCE 34.0S 121.8E 1614Z 11 APR

KINGSTON_SOUTH_ 37.0S 139.4E 1747Z 11 APR

HEARD_ISLAND 54.0S 73.5E 1803Z 11 APR

EUCLA_MOTEL 31.8S 128.9E 1824Z 11 APR

HOBART 43.3S 147.6E 1858Z 11 APR

DARWIN 12.1S 130.7E 1921Z 11 APR

SRI LANKA TRINCOMALEE 8.7N 81.3E 1049Z 11 APR

DONDRA_HEAD 5.9N 80.6E 1054Z 11 APR

COLOMBO 6.9N 79.8E 1121Z 11 APR

JAFFNA 9.9N 80.0E 1235Z 11 APR

MYANMAR CHEDUBA_ISLAND 18.9N 93.4E 1142Z 11 APR

CHEDUBA_ISLAND 18.9N 93.4E 1142Z 11 APR

PYINKAYAING 15.9N 94.3E 1152Z 11 APR

SITTWE 20.0N 92.9E 1220Z 11 APR

MERGUI 12.8N 98.4E 1328Z 11 APR

YANGON 16.5N 96.4E 1720Z 11 APR

THAILAND PHUKET 8.0N 98.2E 1113Z 11 APR

KO_PHRA_THONG 9.1N 98.2E 1203Z 11 APR

KO_TARUTAO 6.6N 99.6E 1233Z 11 APR

For Thailand, estimates only to now, 12.33 is 19.33 local time, and Phuket 11.13 is 18.13 local time - but times are pure estimates from info over an hour ago.

Continued luck to all.

-mel.
Edited by MEL1
Posted

Off topic bickering removed, Enough with the older posts, Please leave this thread for current topical information

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