Earthquake in Chile 2010: USGS PRELIMINARY EARTHQUAKE REPORT
At 10:34 PM Pacific Standard Time on February 26, an earthquake with preliminary magnitude 8.5 occurred near the coast of central Chile . (Refer to the United States Geological Survey for official earthquake parameters.)
USGS PRELIMINARY EARTHQUAKE REPORT
Region: OFFSHORE MAULE, CHILE Geographic coordinates: 35.826S, 72.668W Magnitude: 8.3 Mw Depth: 59 km Universal Time (UTC): 27 Feb 2010 06:34:17 Time near the Epicenter: 27 Feb 2010 03:34:17 Local standard time in your area: 26 Feb 2010 20:34:17 Location with respect to nearby cities: 99 km (61 miles) WSW (246 degrees) of Talca, Chile 117 km (73 miles) NNE (17 degrees) of Concepcion, Chile 317 km (197 miles) SW (215 degrees) of SANTIAGO, ChileTSUNAMI BULLETIN NUMBER 002
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 0745Z 27 FEB 2010THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC OCEAN AND ADJACENT SEAS…EXCEPT ALASKA…BRITISH COLUMBIA… WASHINGTON…OREGON AND CALIFORNIA.
… A TSUNAMI WARNING AND WATCH ARE IN EFFECT …
A TSUNAMI WARNING IS IN EFFECT FOR
CHILE / PERU
A TSUNAMI WATCH IS IN EFFECT FOR
ECUADOR / COLOMBIA / ANTARCTICA / PANAMA / COSTA RICA
FOR ALL OTHER AREAS COVERED BY THIS BULLETIN… IT IS FOR INFORMATION ONLY AT THIS TIME.
THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES. ONLY NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND ANY ACTIONS TO BE TAKEN IN RESPONSE.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME - 0634Z 27 FEB 2010 COORDINATES - 36.1 SOUTH 72.6 WEST DEPTH - 55 KM LOCATION - NEAR COAST OF CENTRAL CHILE MAGNITUDE - 8.6 MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- VALPARAISO CL 33.0S 71.6W 0708Z 1.29M / 4.2FT 20MIN TALCAHUANO CL 36.7S 73.4W 0652Z 1.15M / 3.8FT 46MIN 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
SEA LEVEL READINGS INDICATE A TSUNAMI WAS GENERATED. IT MAY HAVE BEEN DESTRUCTIVE ALONG COASTS NEAR THE EARTHQUAKE EPICENTER AND COULD ALSO BE A THREAT TO MORE DISTANT COASTS. AUTHORITIES SHOULD TAKE APPROPRIATE ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL CONTINUE TO MONITOR SEA LEVEL DATA TO DETERMINE THE EXTENT AND SEVERITY OF THE THREAT.
FOR ALL AREAS – WHEN NO MAJOR WAVES ARE OBSERVED FOR TWO HOURS AFTER THE ESTIMATED TIME OF ARRIVAL OR DAMAGING WAVES HAVE NOT OCCURRED FOR AT LEAST TWO HOURS THEN LOCAL AUTHORITIES CAN ASSUME THE THREAT IS PASSED. DANGER TO BOATS AND COASTAL STRUCTURES CAN CONTINUE FOR SEVERAL HOURS DUE TO RAPID CURRENTS. AS LOCAL CONDITIONS CAN CAUSE A WIDE VARIATION IN TSUNAMI WAVE ACTION THE ALL CLEAR DETERMINATION MUST BE MADE BY LOCAL AUTHORITIES.
ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS WITHIN THE WARNING AND WATCH AREAS ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR.
LOCATION FORECAST POINT COORDINATES ARRIVAL TIME -------------------------------- ------------ ------------ CHILE TALCAHUANO 36.7S 73.1W 0729Z 27 FEB VALPARAISO 33.0S 71.6W 0739Z 27 FEB COQUIMBO 29.9S 71.3W 0801Z 27 FEB CORRAL 39.8S 73.5W 0810Z 27 FEB CALDERA 27.1S 70.8W 0821Z 27 FEB ANTOFAGASTA 23.3S 70.4W 0844Z 27 FEB IQUIQUE 20.2S 70.1W 0911Z 27 FEB ARICA 18.5S 70.3W 0929Z 27 FEB GOLFO DE PENAS 47.1S 74.9W 0934Z 27 FEB PUERTO MONTT 41.5S 73.0W 1052Z 27 FEB EASTER IS. 27.1S 109.4W 1205Z 27 FEB PUNTA ARENAS 53.2S 70.9W 1213Z 27 FEB PERU MOLLENDO 17.1S 72.0W 0936Z 27 FEB SAN JUAN 15.3S 75.2W 0952Z 27 FEB LA PUNTA 12.1S 77.2W 1045Z 27 FEB PIMENTAL 6.9S 80.0W 1114Z 27 FEB TALARA 4.6S 81.5W 1127Z 27 FEB CHIMBOTE 9.0S 78.8W 1132Z 27 FEB ECUADOR LA LIBERTAD 2.2S 81.2W 1202Z 27 FEB ESMERELDAS 1.2N 79.8W 1234Z 27 FEB BALTRA IS. 0.5S 90.3W 1313Z 27 FEB COLOMBIA TUMACO 1.8N 78.9W 1253Z 27 FEB BAHIA SOLANO 6.3N 77.4W 1327Z 27 FEB BUENAVENTURA 3.8N 77.2W 1340Z 27 FEB ANTARCTICA THURSTON IS. 72.0S 100.0W 1312Z 27 FEB PANAMA PUERTO PINA 7.4N 78.1W 1331Z 27 FEB PUNTA MALA 7.5N 79.9W 1334Z 27 FEB PUNTA BURICA 8.0N 82.8W 1340Z 27 FEB COSTA RICA CABO MATAPALO 8.4N 83.3W 1344Z 27 FEBBULLETINS WILL BE ISSUED HOURLY OR SOONER IF CONDITIONS WARRANT. THE TSUNAMI WARNING AND WATCH WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE.
THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE PRODUCTS FOR ALASKA…BRITISH COLUMBIA…WASHINGTON…OREGON…CALIFORNIA.
From: Hawaii247.org
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