ZCZC
WEZS42 PHEB 212128
TIBPPG

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1028 AM SST MON AUG 21 2017

...NO TSUNAMI THREAT FROM A NEARBY EARTHQUAKE...


AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 5.4 OCCURRED
    ABOUT 93 MILES SOUTHWEST OF TUTUILA ISLAND AT 1012 AM SST ON
    MONDAY AUGUST 21 2017.

  * BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO
    AMERICAN SAMOA FROM THIS EARTHQUAKE.

  * SOME AREAS MAY HAVE EXPERIENCED STRONG SHAKING.


RECOMMENDED ACTIONS
-------------------

  * NO ACTION IS REQUIRED.


POTENTIAL IMPACTS
-----------------

  * NO TSUNAMI IMPACTS ARE EXPECTED.


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------

  * MAGNITUDE      5.4
  * ORIGIN TIME    1012 AM SST AUG 21 2017
  * COORDINATES    15.5 SOUTH  171.5 WEST
  * DEPTH          23 MILES
  * LOCATION       ABOUT 93 MILES SOUTHWEST OF TUTUILA ISLAND


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

  * THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
    ADDITIONAL DATA ARE RECEIVED OR THE SITUATION CHANGES.

  * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE
    INTERNET AT PTWC.WEATHER.GOV AND AT WWW.TSUNAMI.GOV.

  * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
    GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
    EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL LOWERCASE LETTERS-.

$$



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