Tsunami warning issued after earthquake in Sumatra

[TamilNet, Wednesday, 12 September 2007, 12:29 GMT]
An earthquake has occurred in Southern Sumatra in Indonesia with 8.2 Magnitude with the potential to generate a widespread Tsunami that can affect coastlines across the entire Indian ocean basin, according to the Pacific Tsunami Warning Centre. The warning was issued at 11:10 GMT on 12 Sep. The Tsunami could reach Trincomalee at 15:02 GMT (8:32 p.m., local time), Jaffna at 16:25 GMT (9:55 p.m.) and Colombo 15:15 GMT (8:45 p.m.). However, it is not known a Tsunami was generated, the watch is based only on the Earthquake evaluation. Authorities in the region should take appropriate action in response to the possibility of a widespread destructive Tsunami, according to the NOAA warning.

Full text of the warning issued by the Pacific Tsunami warning center follows:



TSUNAMI BULLETIN NUMBER 002 PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS ISSUED AT 1153Z 12 SEP 2007

THIS BULLETIN IS FOR ALL AREAS OF THE INDIAN OCEAN.

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

NOTE REVISED MAGNITUDE

A TSUNAMI WATCH IS IN EFFECT FOR

INDONESIA / AUSTRALIA / INDIA / SRI LANKA / THAILAND / UNITED KINGDOM / MALDIVES / MYANMAR / MALAYSIA / BANGLADESH / MAURITIUS / REUNION / SEYCHELLES / MADAGASCAR / SOMALIA / OMAN / PAKISTAN / IRAN / YEMEN / COMORES / CROZET ISLANDS / MOZAMBIQUE / KENYA / TANZANIA / 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 - 1110Z 12 SEP 2007 COORDINATES - 4.5 SOUTH 101.3 EAST LOCATION - SOUTHERN SUMATERA INDONESIA MAGNITUDE - 8.2

EVALUATION

EARTHQUAKES OF THIS SIZE HAVE THE POTENTIAL TO GENERATE A WIDESPREAD DESTRUCTIVE TSUNAMI THAT CAN AFFECT COASTLINES ACROSS THE ENTIRE INDIAN OCEAN BASIN.

HOWEVER - IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WATCH IS BASED ONLY ON THE EARTHQUAKE EVALUATION. AUTHORITIES IN THE REGION SHOULD TAKE APPROPRIATE ACTION IN RESPONSE TO THE POSSIBILITY OF A WIDESPREAD DESTRUCTIVE TSUNAMI.

DUE TO ONLY LIMITED SEA LEVEL DATA FROM THE REGION IT MAY NOT BE POSSIBLE FOR THIS CENTER TO RAPIDLY NOR ACCURATELY EVALUATE THE STRENGTH OF A TSUNAMI IF ONE HAS BEEN GENERATED.

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 BENGKULU 3.9S 102.0E 1123Z 12 SEP SIBERUT 1.5S 98.7E 1203Z 12 SEP PADANG 0.9S 100.1E 1214Z 12 SEP BANDAR LAMPUNG 5.7S 105.3E 1242Z 12 SEP SIMEULUE 2.5N 96.0E 1243Z 12 SEP CILACAP 7.8S 108.9E 1307Z 12 SEP BANDA ACEH 5.5N 95.1E 1329Z 12 SEP BALI 8.7S 115.3E 1345Z 12 SEP KUPANG 10.0S 123.4E 1453Z 12 SEP BELAWAN 3.8N 99.0E 1703Z 12 SEP AUSTRALIA CHRISTMAS IS 10.4S 105.4E 1220Z 12 SEP COCOS ISLAND 12.1S 96.7E 1234Z 12 SEP NORTH WEST CAPE 21.5S 113.9E 1429Z 12 SEP CAPE INSPIRATIO 25.9S 113.0E 1526Z 12 SEP CAPE LEVEQUE 16.1S 122.6E 1542Z 12 SEP PERTH 32.0S 115.3E 1545Z 12 SEP AUGUSTA 34.3S 114.7E 1559Z 12 SEP GERALDTOWN 28.6S 114.3E 1603Z 12 SEP ESPERANCE 34.0S 121.8E 1726Z 12 SEP KINGSTON SOUTH 37.0S 139.4E 1906Z 12 SEP EUCLA MOTEL 31.8S 128.9E 1934Z 12 SEP DARWIN 12.1S 130.7E 1948Z 12 SEP HEARD ISLAND 54.0S 73.5E 1955Z 12 SEP HOBART 43.3S 147.6E 2015Z 12 SEP INDIA GREAT NICOBAR 7.1N 93.6E 1338Z 12 SEP LITTLE ANDAMAN 10.7N 92.3E 1421Z 12 SEP PORT BLAIR 12.0N 92.5E 1440Z 12 SEP NORTH ANDAMAN 13.3N 92.6E 1453Z 12 SEP CHENNAI 13.4N 80.4E 1540Z 12 SEP KAKINADA 17.2N 82.7E 1604Z 12 SEP TRIVANDRUM 8.3N 76.9E 1608Z 12 SEP BALESHWAR 21.6N 87.3E 1701Z 12 SEP MANGALORE 13.3N 74.4E 1732Z 12 SEP BOMBAY 18.8N 72.6E 2005Z 12 SEP GULF OF KUTCH 22.7N 68.9E 2019Z 12 SEP SRI LANKA DONDRA HEAD 5.8N 80.5E 1447Z 12 SEP TRINCOMALEE 8.7N 81.3E 1502Z 12 SEP COLOMBO 6.9N 79.8E 1515Z 12 SEP JAFFNA 9.9N 80.0E 1625Z 12 SEP THAILAND PHUKET 8.0N 98.2E 1508Z 12 SEP KO PHRA THONG 9.1N 98.2E 1554Z 12 SEP KO TARUTAO 6.6N 99.6E 1626Z 12 SEP UNITED KINGDOM DIEGO GARCIA 7.3S 72.4E 1526Z 12 SEP MALDIVES GAN 0.6S 73.2E 1528Z 12 SEP MALE 4.2N 73.6E 1544Z 12 SEP MINICOV 8.3N 73.0E 1614Z 12 SEP MYANMAR PYINKAYAING 15.8N 94.2E 1537Z 12 SEP CHEDUBA ISLAND 18.9N 93.4E 1554Z 12 SEP SITTWE 20.0N 92.9E 1629Z 12 SEP MERGUI 12.8N 98.4E 1647Z 12 SEP YANGON 16.2N 96.5E 1713Z 12 SEP MALAYSIA GEORGETOWN 5.4N 100.1E 1704Z 12 SEP PORT DICKSON 2.5N 101.7E 2048Z 12 SEP BANGLADESH CHITTAGONG 22.5N 91.2E 1801Z 12 SEP MAURITIUS PORT LOUIS 20.0S 57.3E 1803Z 12 SEP REUNION ST DENIS 20.8S 55.2E 1820Z 12 SEP SEYCHELLES VICTORIA 4.5S 55.6E 1847Z 12 SEP MADAGASCAR TOAMASINA 17.8S 49.8E 1900Z 12 SEP ANTSIRANANA 12.1S 49.5E 1905Z 12 SEP MANAKARA 22.2S 48.2E 1919Z 12 SEP CAP STE MARIE 25.8S 45.2E 2009Z 12 SEP MAHAJANGA 15.4S 46.2E 2009Z 12 SEP TOLIARA 23.4S 43.6E 2034Z 12 SEP SOMALIA HILALAYA 6.5N 49.2E 1922Z 12 SEP CAPE GUARO 11.9N 51.4E 1933Z 12 SEP MOGADISHU 2.0N 45.5E 1938Z 12 SEP KAAMBOONI 1.5S 41.9E 2004Z 12 SEP OMAN SALALAH 17.0N 54.2E 1930Z 12 SEP DUQM 19.7N 57.8E 1939Z 12 SEP MUSCAT 23.9N 58.6E 1943Z 12 SEP PAKISTAN GWADAR 25.1N 62.4E 1937Z 12 SEP KARACHI 24.7N 66.9E 2031Z 12 SEP IRAN GAVATER 25.0N 61.3E 1943Z 12 SEP YEMEN AL MUKALLA 14.5N 49.2E 2003Z 12 SEP ADEN 13.0N 45.2E 2100Z 12 SEP COMORES MORONI 11.6S 43.3E 2006Z 12 SEP CROZET ISLANDS CROZET ISLANDS 46.4S 51.8E 2009Z 12 SEP MOZAMBIQUE CABO DELGADO 10.7S 40.7E 2034Z 12 SEP ANGOCHE 15.5S 40.8E 2044Z 12 SEP QUELIMANE 18.0S 37.1E 2213Z 12 SEP MAPUTO 25.9S 32.8E 2218Z 12 SEP BEIRA 19.9S 35.1E 2246Z 12 SEP KENYA MOMBASA 4.0S 39.7E 2039Z 12 SEP TANZANIA LINDI 9.8S 39.9E 2039Z 12 SEP DAR ES SALAAM 6.7S 39.4E 2047Z 12 SEP KERGUELEN ISLAN PORT AUX FRANCA 49.0S 69.2E 2049Z 12 SEP SOUTH AFRICA PRINCE EDWARD I 46.6S 37.6E 2146Z 12 SEP DURBAN 29.8S 31.2E 2205Z 12 SEP PORT ELIZABETH 33.9S 25.8E 2256Z 12 SEP CAPE TOWN 34.1S 18.0E 2359Z 12 SEP SINGAPORE SINGAPORE 1.2N 103.8E 0048Z 13 SEP

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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