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ホーム > Northwest Pacific Tsunami Advisory

Northwest Pacific Tsunami Advisory

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Information bulletins provided by the Northwest Pacific Tsunami Advisory Center (NWPTAC) should not be construed as official warnings or evacuation notices for the areas concerned. The issuance of actual evacuation notices is the responsibility of individual local authorities.


WEPA40 RJTD 112051
TSUNAMI BULLETIN NUMBER 002
   ISSUED BY NWPTAC(JMA)
   ISSUED AT 2051Z 11 JUL 2014
HYPOCENTRAL PARAMETERS
ORIGIN TIME:1921Z 11 JUL 2014
PRELIMINARY EPICENTER:LAT37.0NORTH LON142.6EAST
 OFF EAST COAST OF HONSHU, JAPAN
 JAPAN - KURIL ISLANDS - KAMCHATKA PENINSULA
MAG:6.8(MJMA)

EVALUATION
 THERE IS A VERY SMALL POSSIBILITY OF A DESTRUCTIVE LOCAL TSUNAMI

ESTIMATION AT THE FORECAST POINTS - NO TSUNAMIS WITH
AMPLITUDE OF 0.5 METER OR OVER ARE EXPECTED AT ANY OF THEM.

HOWEVER AT SOME COASTS, PARTICULARLY THOSE NEAR THE EPICENTER, HIGHER
TSUNAMIS MAY ARRIVE THAN OUR ESTIMATION
AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY.

MEASUREMENTS OR REPORTS ON TSUNAMI
 LOCATION                       COORDINATES ARRIVAL TIME  AMPL
 OFUNATO                        39.0N 141.8E
                       MAXIMUM TSUNAMI WAVE 2022Z 11 JUL  0.2M
MAXIMUM TSUNAMI WAVE -- HALF OF AMPLITUDE FROM THE TROUGH
TO THE CREST

THIS WILL BE THE FINAL BULLETIN UNLESS THERE ARE CHANGES ABOUT
THE POTENTIAL OF TSUNAMI GENERATION BY RE-EVALUATION OF THE
EARTHQUAKE OR THERE ARE REPORTS ON TSUNAMI OBSERVATIONS.



The Northwest Pacific Tsunami Advisory Center (NWPTAC) provides information on tsunamis in the western North Pacific and the South China Sea, including data on estimated/observed arrival times and tsunami heights, as well as earthquake information.