Earthquake Event
Characteristics
Source: World Data Centre for Seismology, Denver (NEIC) M
Magnitude: 8.7 M
Depth: 33 km
Location (Lat/Long): 2.3484 | 93.0725
Country: Indonesia
Province: Aceh
Region: Off The West Coast Of Northern Sumatra
UTC/GMT (Greenwich time): 4/11/2012 8:38:38 AM
Estimated local solar time: 4/11/2012 2:50:55 PM
Source: Joint Inititative of the United Nations and the European Commission - OCHA - UNOSAT
Tsunami Event
It is likely that a tsunami was generated. Based on precalculated scenarios, the maximum tsunami wave height near the coast of Datimun will be 2.38m.
Source: Joint Inititative of the United Nations and the European Commission - OCHA - UNOSAT
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ON 11 OF APRIL 2012
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
Source: PTWC Indian Ocean Basin Messages for NOAA's National Weather Service
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8.2 Mw - OFF W COAST OF NORTHERN SUMATRA
Preliminary Earthquake Report
Magnitude 8.2 Mw
Date-Time
• 11 Apr 2012 10:43:09 UTC
• 11 Apr 2012 16:43:09 near epicenter
Location: 0.773N 92.452E
Depth: 16 km
Distances
• 615 km (382 miles) SSW (211 degrees) of Banda Aceh, Sumatra, Indonesia
• 1061 km (659 miles) WSW (256 degrees) of KUALA LUMPUR, Malaysia
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