Photography by Baron Sekiya | Hawaii 24/7
TSUNAMI MESSAGE NUMBER 16
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
935 AM HST SAT FEB 27 2010
TO – CIVIL DEFENSE IN THE STATE OF HAWAII
SUBJECT – TSUNAMI WARNING SUPPLEMENT
A TSUNAMI WARNING 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 MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- CABO SAN LUCAS MX 22.9N 109.9W 1833Z 0.36M / 1.2FT 12MIN DART TONGA 51426 23.0S 168.1W 1844Z 0.04M / 0.1FT 30MIN HIVA OA MARQUESAS 9.8S 139.0W 1741Z 1.79M / 5.9FT 12MIN PAPEETE TAHITI 17.5S 149.6W 1810Z 0.16M / 0.5FT 10MIN NUKU HIVA MARQUESAS 8.9S 140.1W 1745Z 0.95M / 3.1FT 04MIN MANZANILLO MX 19.1N 104.3W 1705Z 0.32M / 1.0FT 24MIN DART MANZANILLO 434 16.0N 107.0W 1611Z 0.07M / 0.2FT 24MIN ACAPULCO MX 16.8N 99.9W 1549Z 0.16M / 0.5FT 24MIN RIKITEA PF 23.1S 134.9W 1559Z 0.15M / 0.5FT 22MIN DART MARQUESAS 5140 8.5S 125.0W 1531Z 0.18M / 0.6FT 18MIN BALTRA GALAPAGS EC 0.4S 90.3W 1452Z 0.35M / 1.2FT 14MIN EASTER CL 27.2S 109.5W 1205Z 0.35M / 1.1FT 52MIN ANCUD CL 41.9S 73.8W 0838Z 0.62M / 2.0FT 84MIN CALLAO LA-PUNTA PE 12.1S 77.2W 1029Z 0.36M / 1.2FT 30MIN ARICA CL 18.5S 70.3W 1008Z 0.94M / 3.1FT 42MIN IQUIQUE CL 20.2S 70.1W 0907Z 0.28M / 0.9FT 68MIN ANTOFAGASTA CL 23.2S 70.4W 0941Z 0.49M / 1.6FT 52MIN DART LIMA 32412 18.0S 86.4W 0941Z 0.24M / 0.8FT 36MIN CALDERA CL 27.1S 70.8W 0843Z 0.45M / 1.5FT 20MIN 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
A TSUNAMI HAS BEEN GENERATED THAT COULD CAUSE DAMAGE ALONG
COASTLINES OF ALL ISLANDS IN THE STATE OF HAWAII. URGENT ACTION
SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY.
A TSUNAMI IS A SERIES OF LONG OCEAN WAVES. EACH INDIVIDUAL WAVE
CREST CAN LAST 5 TO 15 MINUTES OR MORE AND EXTENSIVELY FLOOD
COASTAL AREAS. THE DANGER CAN CONTINUE FOR MANY HOURS AFTER THE
INITIAL WAVE AS SUBSEQUENT WAVES ARRIVE. TSUNAMI WAVE HEIGHTS
CANNOT BE PREDICTED AND THE FIRST WAVE MAY NOT BE THE LARGEST.
TSUNAMI WAVES EFFICIENTLY WRAP AROUND ISLANDS. ALL SHORES ARE AT
RISK NO MATTER WHICH DIRECTION THEY FACE. THE TROUGH OF A TSUNAMI
WAVE MAY TEMPORARILY EXPOSE THE SEAFLOOR BUT THE AREA WILL
QUICKLY FLOOD AGAIN. EXTREMELY STRONG AND UNUSUAL NEARSHORE
CURRENTS CAN ACCOMPANY A TSUNAMI. DEBRIS PICKED UP AND CARRIED
BY A TSUNAMI AMPLIFIES ITS DESTRUCTIVE POWER. SIMULTANEOUS HIGH
TIDES OR HIGH SURF CAN SIGNIFICANTLY INCREASE THE TSUNAMI HAZARD.
THE ESTIMATED ARRIVAL TIME IN HAWAII OF THE FIRST TSUNAMI WAVE IS
1105 AM HST SAT 27 FEB 2010
MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.
Leave a Reply