WEHW40 PHEB 291806 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-292006- /O.NEW.PHEB.TS.A.0001.090929T1806Z-000000T0000Z/ BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 805 AM HST TUE SEP 29 2009 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WATCH A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 0805 AM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0748 AM HST 29 SEP 2009 COORDINATES - 15.3 SOUTH 171.0 WEST LOCATION - SAMOA ISLANDS REGION MAGNITUDE - 7.9 MOMENT EVALUATION BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE IF THERE IS A TSUNAMI THREAT TO HAWAII. IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF THE FIRST TSUNAMI WAVE IS 0111 PM HST TUE 29 SEP 2009 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.