Un séisme de magnitude 8,9, révisé à 8,7 a été enregistré à08h45 (UTC) au large de Sumatra (Aceh).
Une alerte au tsunami est déclenchée pour tout l’Océan indien.
Épicentre à distance de :
- 434 km (269 miles)
au Sud Ouest de Banda Aceh, Sumatra, Indonesie - 550 km (341 miles)
au Sud Ouest de Lhokseumawe, Sumatra, Indonesie - 963 km (598 miles)
à l’Ouest de KUALA LUMPUR, Malaisie - 1797 km (1116 miles)
au Ouest-Nord-Ouest de JAKARTA, Java, Indonesie
Bulletin officiel d’alerte au tsunami
Source : http://ptwc.weather.gov/ptwc/text.php?id=indian.TSUIOX.2012.04.11.0845
000 WEIO21 PHEB 110845 TSUIOX TSUNAMI BULLETIN NUMBER 001 PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS ISSUED AT 0845Z 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 / SRI LANKA / AUSTRALIA / MYANMAR / THAILAND / MALDIVES / UNITED KINGDOM / MALAYSIA / MAURITIUS / REUNION / SEYCHELLES / PAKISTAN / SOMALIA / OMAN / MADAGASCAR / IRAN / UAE / YEMEN / COMORES / BANGLADESH / TANZANIA / MOZAMBIQUE / KENYA / CROZET ISLANDS / 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 - 2.0 NORTH 92.5 EAST LOCATION - OFF W COAST OF NORTHERN SUMATRA MAGNITUDE - 8.7 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. 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 0921Z 11 APR BANDA_ACEH 5.5N 95.1E 0931Z 11 APR SIBERUT 1.5S 98.7E 0941Z 11 APR PADANG 0.9S 100.1E 1017Z 11 APR BENGKULU 3.9S 102.0E 1038Z 11 APR CILACAP 7.8S 108.9E 1205Z 11 APR BANDAR_LAMPUNG 5.7S 105.3E 1213Z 11 APR BALI 8.7S 115.3E 1253Z 11 APR KUPANG 10.0S 123.4E 1338Z 11 APR BELAWAN 3.8N 98.8E 1348Z 11 APR BALI 8.7S 115.3E 1253Z 11 APR INDIA GREAT_NICOBAR 7.1N 93.6E 0937Z 11 APR LITTLE_ANDAMAN 10.7N 92.3E 1016Z 11 APR PORT_BLAIR 11.9N 92.7E 1032Z 11 APR NORTH_ANDAMAN 13.3N 92.6E 1052Z 11 APR CHENNAI 13.4N 80.4E 1127Z 11 APR KAKINADA 17.2N 82.7E 1205Z 11 APR TRIVANDRUM 8.3N 76.9E 1208Z 11 APR MANGALORE 13.3N 74.4E 1336Z 11 APR BOMBAY 18.8N 72.6E 1608Z 11 APR GULF_OF_KUTCH 22.7N 68.9E 1634Z 11 APR SRI LANKA DONDRA_HEAD 5.9N 80.6E 1039Z 11 APR TRINCOMALEE 8.7N 81.3E 1051Z 11 APR COLOMBO 6.9N 79.8E 1120Z 11 APR JAFFNA 9.9N 80.0E 1231Z 11 APR AUSTRALIA COCOS_ISLAND 12.1S 96.7E 1045Z 11 APR NORTH_WEST_CAPE 21.5S 113.9E 1314Z 11 APR CAPE_INSPIRATIO 25.9S 113.0E 1413Z 11 APR PERTH 32.0S 115.3E 1420Z 11 APR AUGUSTA 34.3S 114.7E 1440Z 11 APR GERALDTOWN 28.6S 114.3E 1459Z 11 APR CAPE_LEVEQUE 16.1S 122.6E 1506Z 11 APR ESPERANCE 34.0S 121.8E 1615Z 11 APR KINGSTON_SOUTH_ 37.0S 139.4E 1748Z 11 APR HEARD_ISLAND 54.0S 73.5E 1802Z 11 APR EUCLA_MOTEL 31.8S 128.9E 1836Z 11 APR HOBART 43.3S 147.6E 1901Z 11 APR DARWIN 12.1S 130.7E 1935Z 11 APR MYANMAR CHEDUBA_ISLAND 18.9N 93.4E 1149Z 11 APR CHEDUBA_ISLAND 18.9N 93.4E 1149Z 11 APR PYINKAYAING 15.9N 94.3E 1150Z 11 APR SITTWE 20.0N 92.9E 1226Z 11 APR MERGUI 12.8N 98.4E 1316Z 11 APR YANGON 16.5N 96.4E 1507Z 11 APR THAILAND PHUKET 8.0N 98.2E 1118Z 11 APR KO_PHRA_THONG 9.1N 98.2E 1223Z 11 APR KO_TARUTAO 6.6N 99.6E 1256Z 11 APR MALDIVES GAN 0.6S 73.2E 1137Z 11 APR MINICOV 8.3N 73.0E 1210Z 11 APR MALE 4.2N 73.6E 1211Z 11 APR UNITED KINGDOM DIEGO_GARCIA 7.3S 72.4E 1153Z 11 APR MALAYSIA GEORGETOWN 5.4N 100.1E 1311Z 11 APR PORT_DICKSON 2.5N 101.7E 1810Z 11 APR MAURITIUS PORT_LOUIS 20.0S 57.3E 1455Z 11 APR REUNION ST_DENIS 20.8S 55.2E 1512Z 11 APR SEYCHELLES VICTORIA 4.5S 55.6E 1516Z 11 APR PAKISTAN GWADAR 25.1N 62.4E 1536Z 11 APR KARACHI 24.7N 66.9E 1644Z 11 APR SOMALIA CAPE_GUARO 11.9N 51.4E 1539Z 11 APR HILALAYA 6.4N 49.1E 1540Z 11 APR MOGADISHU 2.0N 45.5E 1558Z 11 APR KAAMBOONI 1.5S 41.9E 1623Z 11 APR OMAN MUSCAT 23.9N 58.6E 1540Z 11 APR SALALAH 16.9N 54.1E 1547Z 11 APR DUQM 19.7N 57.8E 1556Z 11 APR MADAGASCAR ANTSIRANANA 12.1S 49.5E 1544Z 11 APR TOAMASINA 17.8S 49.6E 1551Z 11 APR MANAKARA 22.2S 48.2E 1610Z 11 APR MAHAJANGA 15.4S 46.2E 1653Z 11 APR CAP_STE_MARIE 25.8S 45.2E 1713Z 11 APR TOLIARA 23.4S 43.6E 1733Z 11 APR IRAN GAVATER 25.0N 61.3E 1546Z 11 APR UAE FUJAIRAH 25.1N 56.4E 1621Z 11 APR YEMEN AL_MUKALLA 14.5N 49.2E 1626Z 11 APR ADEN 13.0N 45.2E 1726Z 11 APR COMORES MORONI 11.6S 43.3E 1644Z 11 APR BANGLADESH CHITTAGONG 22.7N 91.2E 1651Z 11 APR TANZANIA LINDI 9.8S 39.9E 1659Z 11 APR DAR_ES_SALAAM 6.7S 39.4E 1732Z 11 APR MOZAMBIQUE CABO_DELGADO 10.7S 40.7E 1701Z 11 APR ANGOCHE 15.5S 40.6E 1720Z 11 APR QUELIMANE 18.0S 37.1E 1841Z 11 APR MAPUTO 25.9S 32.8E 1959Z 11 APR BEIRA 19.9S 35.1E 2016Z 11 APR KENYA MOMBASA 4.0S 39.7E 1706Z 11 APR CROZET ISLANDS CROZET_ISLANDS 46.4S 51.8E 1733Z 11 APR KERGUELEN ISLAN PORT_AUX_FRANCA 49.0S 69.1E 1815Z 11 APR SOUTH AFRICA PRINCE_EDWARD_I 46.6S 37.6E 1907Z 11 APR DURBAN 29.8S 31.2E 1910Z 11 APR PORT_ELIZABETH 33.9S 25.8E 2006Z 11 APR CAPE_TOWN 34.1S 18.0E 2109Z 11 APR SINGAPORE SINGAPORE 1.2N 103.8E 2351Z 11 APR ADDITIONAL BULLETINS WILL BE ISSUED BY THE PACIFIC TSUNAMI WARNING CENTER FOR THIS EVENT AS MORE 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.
Source : http://ptwc.weather.gov/ptwc/text.php?id=indian.TSUIOX.2012.04.11.0845