WEPA43 PAAQ 201829
TIBWCA

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1129 AM PDT SAT AUG 20 2011

...THIS TSUNAMI INFORMATION STATEMENT IS FOR ALASKA/ BRITISH
   COLUMBIA/ WASHINGTON/ OREGON AND CALIFORNIA ONLY...

NO WARNING... NO WATCH AND NO ADVISORY IS IN EFFECT FOR
THE STATES AND PROVINCES PREVIOUSLY LISTED.

EVALUATION
 BASED ON MAGNITUDE... LOCATION AND HISTORIC TSUNAMI RECORDS THE
 EARTHQUAKE WAS NOT SUFFICIENT TO GENERATE A TSUNAMI DAMAGING TO
 CALIFORNIA/ OREGON/ WASHINGTON/ BRITISH COLUMBIA OR ALASKA. IN
 COASTAL AREAS OF INTENSE SHAKING LOCALLY GENERATED TSUNAMIS CAN
 BE TRIGGERED BY UNDERWATER LANDSLIDES.

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 7.4
 TIME      - 1019 AKDT AUG 20 2011
             1119  PDT AUG 20 2011
             1819  UTC AUG 20 2011
 LOCATION  - 18.2 SOUTH 168.0 EAST
           - VANUATU ISLANDS                 
 DEPTH     - 22 MILES/36 KM

PACIFIC COASTAL REGIONS OUTSIDE CALIFORNIA/ OREGON/ WASHINGTON/ 
BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE PACIFIC TSUNAMI 
WARNING CENTER MESSAGES FOR INFORMATION ON THIS EVENT AT
WWW.WEATHER.GOV/PTWC.

THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT BY THE
WEST COAST/ALASKA TSUNAMI WARNING CENTER UNLESS ADDITIONAL
INFORMATION BECOMES AVAILABLE. REFER TO THE INTERNET SITE 
NTWC.ARH.NOAA.GOV FOR MORE INFORMATION.

$$