TSUNAMI MESSAGE NUMBER 5
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1149 PM HST FRI FEB 26 2010
TO – CIVIL DEFENSE IN THE STATE OF HAWAII
SUBJECT – TSUNAMI ADVISORY SUPPLEMENT
A TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE STATE OF HAWAII.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME – 0834 PM HST 26 FEB 2010
COORDINATES – 36.1 SOUTH 72.6 WEST
LOCATION – NEAR COAST OF CENTRAL CHILE
MAGNITUDE – 8.8 MOMENT
MAGNITUDE – 8.4 RICHTER (MS)
MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY
GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- CALDERA CL 27.1S 70.8W 0843Z 0.45M / 1.5FT 20MIN ANTOFAGASTA CL 23.2S 70.4W 0832Z 0.40M / 1.3FT 58MIN TALCAHUANO CL 36.7S 73.4W 0653Z 2.34M / 7.7FT 88MIN COQUIMBO CL 30.0S 71.3W 0852Z 1.32M / 4.3FT 30MIN CORRAL CL 39.9S 73.4W 0739Z 0.90M / 2.9FT 16MIN SAN FELIX CL 26.3S 80.1W 0815Z 0.53M / 1.7FT 08MIN VALPARAISO CL 33.0S 71.6W 0708Z 1.29M / 4.2FT 20MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT. VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT). PER - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.
EVALUATION
THE PACIFIC TSUNAMI WARNING CENTER HAS ISSUED AN EXPANDING REGIONAL TSUNAMI WARNING AND WATCH FOR PARTS OF THE PACIFIC LOCATED CLOSER TO THE EARTHQUAKE. AN EVALUATION OF THE PACIFIC WIDE TSUNAMI THREAT IS UNDERWAY AND THERE IS A POSSIBILITY THAT HAWAII COULD BE ELEVATED TO A WATCH OR WARNING STATUS.
IF TSUNAMI WAVES IMPACT HAWAII THEIR ESTIMATED EARLIEST ARRIVAL
TIME IS
1119 AM HST SAT 27 FEB 2010
MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.
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