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NWPTA Sample Message - 1.
when coastal tsunami with heights of 0.3 m or more are expected

WEPA40 RJTD 240919

TSUNAMI BULLETIN NUMBER 001
   ISSUED BY NWPTAC(JMA)
   ISSUED AT 0919Z 24 MAR 2018
PART 01 OF 01 PARTS

HYPOCENTRAL PARAMETERS
ORIGIN TIME:0858Z 24 MAR 2018
PRELIMINARY EPICENTER:LAT03.0SOUTH LON148.0EAST
 BISMARCK SEA
 NEW GUINEA AREA
MAG:8.2

EVALUATION
 THERE IS A POSSIBILITY OF A DESTRUCTIVE OCEAN-WIDE TSUNAMI

THIS BULLETIN IS FOR
 NORTH COASTS OF IRIAN JAYA
 NORTH COASTS OF PAPUA NEW GUINEA

ESTIMATED TSUNAMI ARRIVAL TIMES AND WAVE AMPLITUDES
NORTH COASTS OF IRIAN JAYA
 LOCATION COORDINATES ARRIVAL TIME AMPL
 MANOKWARI 00.8S 134.2E 1116Z 24 MAR 1-3M
 WARSA 00.6S 135.8E 1046Z 24 MAR 1-3M
 JAYAPURA 02.4S 140.8E 1002Z 24 MAR 1-3M
NORTH COASTS OF PAPUA NEW GUINEA
 LOCATION COORDINATES ARRIVAL TIME AMPL
 VANIMO 02.6S 141.3E 0953Z 24 MAR 1-3M
 WEWAK 03.5S 143.7E 0931Z 24 MAR 3-5M
 MADANG 05.2S 145.8E 0935Z 24 MAR 5-10M
 MANUS_IS. 02.0S 147.5E 0858Z 24 MAR 3-5M
 RABAUL 04.2S 152.3E 1000Z 24 MAR OVER10M

AMPL - MAXIMUM AMPLITUDE IN METERS FROM THE
UNDISTURBED SEA LEVEL TO THE CREST

IN SOME COASTAL AREAS (PARTICULARLY NEAR THE EPICENTER),
TSUNAMI WAVES MAY BE HIGHER AND/OR ARRIVE EARLIER THAN
ESTIMATED FOR NEARBY FORECAST POINTS.
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY.

THE EVALUATION OF TSUNAMIGENIC POTENTIAL AND ESTIMATED
ARRIVAL TIMES FOR TSUNAMI WAVES MAY ALSO DIFFER FROM
THOSE OF PTWC DUE TO DIFFERENCES IN ESTIMATED EARTHQUAKE
PARAMETERS AND THE TSUNAMI FORECAST MODEL.
AUTHORITIES SHOULD REFER TO EARLIER ARRIVAL TIMES
FOR GREATEST SAFETY.

THIS WILL BE THE FINAL BULLETIN UNLESS CHANGES IN THE POTENTIAL
FOR TSUNAMI GENERATION ARE DEEMED POSSIBLE BASED ON EARTHQUAKE
RE-EVALUATION OR REPORTS INDICATING TSUNAMI OBSERVATION ARE
RECEIVED.