ZCZC WEHW40 PHEB 041938 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-042138- /O.NEW.PHEB.TS.A.0001.210304T1938Z-000000T0000Z/ BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 938 AM HST THU MAR 04 2021 TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII SUBJECT - TSUNAMI WATCH A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 0938 AM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0928 AM HST 04 MAR 2021 COORDINATES - 29.6 SOUTH 176.0 WEST LOCATION - KERMADEC ISLANDS REGION MAGNITUDE - 8.0 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 0435 PM HST THU 04 MAR 2021 FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED. $$ NNNN