Tsunami Laboratory
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IUGG
Institute of Computational Mathematics and Mathematical Geophysics.

Novosibirsk,
RUSSIA,
pr. Lavrentieva, 6,
Tel:(3832)34-20-70
Fax:(3832)32-42-59 Email:gvk@omzg.sscc.ru

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July 17, 1998 Papua New Guinea earthquake and tsunami

Both PTWC in Eva Beach, Hawaii and ATWC in Palmer, Alaska issued Tsunami Information Bulletins (see below) for this event, based on the established magnitude criterion and available historical information.

TSUNAMI BULLETIN NO. 001 PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS ISSUED AT 0943Z 17 JUL 1998 THIS BULLETIN IS FOR ALL AREAS OF THE PACIFIC BASIN EXCEPT CALIFORNIA, OREGON, WASHINGTON, BRITISH COLUMBIA, AND ALASKA.

THIS IS A TSUNAMI INFORMATION MESSAGE, NO ACTION REQUIRED . . AN EARTHQUAKE, PRELIMINARY MAGNITUDE 7.1 OCCURRED AT 0850 UTC 17 JUL 1998, LOCATED NEAR LATITUDE 2S LONGITUDE 142E IN THE VICINITY OF NORTH OF NEW GUINEA EVALUATION: NO DESTRUCTIVE PACIFIC-WIDE TSUNAMI THREAT EXISTS.

HOWEVER, SOME AREAS MAY EXPERIENCE SMALL SEA LEVEL CHANGES.

THIS WILL BE THE ONLY BULLETIN ISSUED UNLESS ADDITIONAL INFORMATION BECOMES AVAILABLE.

. . . NO PACIFIC-WIDE TSUNAMI WARNING IS IN EFFECT . . .

RECIPIENTS OF THIS MESSAGE LOCATED IN CALIFORNIA, OREGON, WASHINGTON, BRITISH COLUMBIA, AND ALASKA SHOULD REFER ONLY TO WEST COAST/ALASKA TSUNAMI WARNING CENTER MESSAGES FOR INFORMATION ABOUT ANY TSUNAMI THREAT IN THOSE AREAS.

TSUNAMI BULLETIN NUMBER 1
WEST COAST AND ALASKA TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED JUL 17 AT 0939 UTC

THIS IS A TSUNAMI INFORMATION BULLETIN FOR ALASKA, BRITISH COLUMBIA, WASHINGTON, OREGON, AND CALIFORNIA ONLY...

NO, REPEAT NO, WATCH OR WARNING IS IN EFFECT.

AN EARTHQUAKE, PRELIMINARY MAGNITUDE 7.1, OCCURRED AT 0049 ADT ON JUL 17, OR 0149 PDT ON JUL 17, OR 0849 UTC ON JUL 17.
THE EARTHQUAKE WAS LOCATED IN THE GENERAL AREA OF: NORTH OF NEW GUINEA NEAR 2.0S, 142.2E.

THE PACIFIC TSUNAMI WARNING CENTER WILL ISSUE A TSUNAMI INFORMATION BULLETIN FOR HAWAII AND OTHER AREAS OF THE PACIFIC.

EVALUATION: BASED ON LOCATION AND MAGNITUDE THE EARTHQUAKE WAS NOT SUFFICIENT TO GENERATE A TSUNAMI DAMAGING TO CALIFORNIA, OREGON, WASHINGTON, BRITISH COLUMBIA OR ALASKA. SOME AREAS MAY EXPERIENCE SMALL SEA LEVEL FLUCTUATIONS.

THIS WILL BE THE ONLY BULLETIN ISSUED FOR THIS EVENT BY THE WEST COAST AND ALASKA TSUNAMI WARNING CENTER UNLESS CONDITIONS WARRANT.
IF AVAILABLE, REFER TO THE INTERNET SITE (USE LOWER CASE)
HTTP://WWW.ALASKA.NET/(TILDA)ATWC FOR MORE INFORMATION.

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