TSUNAMI MESSAGE NUMBER 2
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
0024 UTC MON MAR 30 2015
...PTWC TSUNAMI THREAT MESSAGE...
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THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS
MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.
NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF
ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED
INFORMATION.
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PRELIMINARY EARTHQUAKE PARAMETERS
* MAGNITUDE 7.6
* ORIGIN TIME 2349 UTC MAR 29 2015
* COORDINATES 4.7 SOUTH 152.7 EAST
* DEPTH 33 KM / 20 MILES
* LOCATION NEW IRELAND REGION PAPUA NEW GUINEA
EVALUATION
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.6 OCCURRED IN
THE NEW IRELAND REGION, PAPUA NEW GUINEA AT 2349 UTC ON SUNDAY
MARCH 29 2015.
* BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE
FORECAST FOR SOME COASTS.
TSUNAMI THREAT FORECAST
* TSUNAMI WAVES REACHING 1 TO 3 METERS ABOVE THE TIDE LEVEL ARE
POSSIBLE ALONG SOME COASTS OF
PAPUA NEW GUINEA.
* TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE
THE TIDE LEVEL FOR THE COASTS OF
AUSTRALIA... JAPAN... PHILIPPINES... NEW CALEDONIA...
NORTHERN MARIANAS... GUAM... PALAU... YAP... POHNPEI... CHUUK...
KOSRAE... MARSHALL ISLANDS... FIJI... SAMOA... AMERICAN SAMOA...
COOK ISLANDS... TOKELAU... VANUATU... KIRIBATI... NAURU... WAKE
ISLAND... JOHNSTON ISLAND... HOWLAND AND BAKER... TONGA...
TUVALU... WALLIS AND FUTUNA... SOLOMON ISLANDS... INDONESIA...
AND NW HAWAIIAN ISLANDS.
* ACTUAL AMPLITUDES AT THE COAST MAY VARY FROM FORECAST
AMPLITUDES DUE TO UNCERTAINTIES IN THE FORECAST AND LOCAL
FEATURES. IN PARTICULAR MAXIMUM TSUNAMI AMPLITUDES ON ATOLLS
WILL LIKELY BE MUCH SMALLER THAN THE FORECAST INDICATES.
* FOR OTHER AREAS COVERED BY THIS PRODUCT A FORECAST HAS NOT
YET BEEN COMPUTED. THE FORECAST WILL BE EXPANDED AS NECESSARY
IN SUBSEQUENT PRODUCTS.
RECOMMENDED ACTIONS
* GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS
SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL
POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN EVALUATION...
PROCEDURES AND THE LEVEL OF THREAT.
* PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT
FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND
LOCAL AUTHORITIES.
ESTIMATED TIMES OF ARRIVAL
* ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE
FOR PLACES WITHIN A REGION WITH FORECAST TSUNAMI AMPLITUDES OF
0.3 METERS AND GREATER 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 WAVES CAN BE
FIVE MINUTES TO ONE HOUR.
LOCATION REGION COORDINATES ETA(UTC)
POTENTIAL IMPACTS
* A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS
CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST FOR
MANY HOURS OR LONGER AFTER THE INITIAL WAVE.
* IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO
THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION
OF THE SHORELINE.
* IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT
THE TIME OF THE MAXIMUM TSUNAMI WAVES.
* PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE
CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA.
NEXT UPDATE AND ADDITIONAL INFORMATION
* THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF
THE SITUATION WARRANTS.