Re: Tsunami Watch
Posted by
JAC on 6/12/2010, 4:24 pm
TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 1934Z 12 JUN 2010
THIS BULLETIN IS FOR ALL AREAS OF THE INDIAN OCEAN.
... A REGIONAL TSUNAMI WATCH IS IN EFFECT ...
A TSUNAMI WATCH IS IN EFFECT FOR
INDIA / INDONESIA / SRI LANKA / MYANMAR / THAILAND / MALAYSIA
FOR OTHER AREAS OF THE INDIAN OCEAN REGION...THIS MESSAGE IS FOR
INFORMATION ONLY AT THIS TIME.
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 - 1927Z 12 JUN 2010
COORDINATES - 7.7 NORTH 91.8 EAST
LOCATION - NICOBAR ISLANDS INDIA REGION
MAGNITUDE - 7.6
EVALUATION
EARTHQUAKES OF THIS SIZE HAVE THE POTENTIAL TO GENERATE A
DESTRUCTIVE LOCAL TSUNAMI AND SOMETIMES A DESTRUCTIVE REGIONAL
TSUNAMI ALONG COASTS LOCATED USUALLY NO MORE THAN A THOUSAND
KILOMETERS FROM THE EARTHQUAKE EPICENTER. AREAS FURTHER FROM THE
EPICENTER COULD EXPERIENCE SMALL SEA LEVEL CHANGES AND STRONG OR
UNUSUAL COASTAL CURRENTS.
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 THIS
POSSIBILITY. THE WATCH WILL NOT EXPAND TO OTHER AREAS OF THE
INDIAN OCEAN UNLESS ADDITIONAL DATA ARE RECEIVED TO WARRANT SUCH
AN EXPANSION.
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
-------------------------------- ------------ ------------
INDIA GREAT NICOBAR 7.1N 93.6E 1953Z 12 JUN
LITTLE ANDAMAN 10.7N 92.3E 2010Z 12 JUN
NORTH ANDAMAN 13.3N 92.6E 2038Z 12 JUN
PORT BLAIR 11.9N 92.7E 2101Z 12 JUN
INDONESIA BANDA ACEH 5.5N 95.1E 2022Z 12 JUN
SIMEULUE 2.5N 96.0E 2039Z 12 JUN
BELAWAN 3.8N 98.8E 2314Z 12 JUN
SRI LANKA TRINCOMALEE 8.7N 81.3E 2109Z 12 JUN
MYANMAR PYINKAYAING 15.9N 94.3E 2124Z 12 JUN
MERGUI 12.8N 98.4E 2230Z 12 JUN
YANGON 16.5N 96.4E 2323Z 12 JUN
THAILAND PHUKET 8.0N 98.2E 2139Z 12 JUN
KO PHRA THONG 9.1N 98.2E 2207Z 12 JUN
KO TARUTAO 6.6N 99.6E 2254Z 12 JUN
MALAYSIA GEORGETOWN 5.4N 100.1E 2329Z 12 JUN
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