ZCZC WEPA40 PHEB 101329 TSUPAC TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1328 UTC WED FEB 10 2021 ...PTWC TSUNAMI THREAT MESSAGE... **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE ***** THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM. NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED INFORMATION. **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE ***** PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 7.9 * ORIGIN TIME 1320 UTC FEB 10 2021 * COORDINATES 23.1 SOUTH 171.5 EAST * DEPTH 33 KM / 20 MILES * LOCATION SOUTHEAST OF LOYALTY ISLANDS EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.9 OCCURRED SOUTHEAST OF THE LOYALTY ISLANDS AT 1320 UTC ON WEDNESDAY FEBRUARY 10 2021. * BASED ON THE PRELIMINARY EARTHQUAKE PARAMETERS... WIDESPREAD HAZARDOUS TSUNAMI WAVES ARE POSSIBLE. TSUNAMI THREAT FORECAST ----------------------- * HAZARDOUS TSUNAMI WAVES FROM THIS EARTHQUAKE ARE POSSIBLE WITHIN THE NEXT THREE HOURS ALONG SOME COASTS OF VANUATU... NEW CALEDONIA... FIJI... KERMADEC ISLANDS... NEW ZEALAND... TONGA... SOLOMON ISLANDS... WALLIS AND FUTUNA... TUVALU AND NIUE RECOMMENDED ACTIONS ------------------- * GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN EVALUATION... PROCEDURES AND THE LEVEL OF THREAT. * PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND LOCAL AUTHORITIES. ESTIMATED TIMES OF ARRIVAL -------------------------- * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE FOR PLACES WITH A POTENTIAL TSUNAMI THREAT. 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 WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION REGION COORDINATES ETA(UTC) ------------------------------------------------------------ ANATOM ISLAND VANUATU 20.2S 169.9E 1357 02/10 NOUMEA NEW CALEDONIA 22.3S 166.5E 1443 02/10 ESPERITU SANTO VANUATU 15.1S 167.3E 1500 02/10 SUVA FIJI 18.1S 178.4E 1508 02/10 RAOUL ISLAND KERMADEC ISLANDS 29.2S 177.9W 1512 02/10 NORTH CAPE NEW ZEALAND 34.4S 173.3E 1520 02/10 NUKUALOFA TONGA 21.0S 175.2W 1532 02/10 SANTA CRUZ ISLA SOLOMON ISLANDS 10.9S 165.9E 1534 02/10 KIRAKIRA SOLOMON ISLANDS 10.4S 161.9E 1544 02/10 FUTUNA ISLAND WALLIS AND FUTUN 14.3S 178.2W 1549 02/10 HOLEVA TONGA 18.6S 173.9W 1556 02/10 LOTTIN POINT NEW ZEALAND 37.5S 178.2E 1559 02/10 WHANGAREI NEW ZEALAND 35.8S 174.5E 1559 02/10 AUKI SOLOMON ISLANDS 8.8S 160.6E 1611 02/10 WALLIS ISLAND WALLIS AND FUTUN 13.3S 176.3W 1612 02/10 MOUNT MAUNGANUI NEW ZEALAND 37.6S 176.2E 1612 02/10 FUNAFUTI ISLAND TUVALU 7.9S 178.5E 1613 02/10 NIUATOPUTAPU TONGA 15.9S 173.8W 1613 02/10 NIUE ISLAND NIUE 19.0S 170.0W 1619 02/10 HONIARA SOLOMON ISLANDS 9.3S 160.0E 1621 02/10 PORT TAURANGA NEW ZEALAND 37.7S 176.2E 1622 02/10 AUCKLAND WEST NEW ZEALAND 37.1S 174.2E 1624 02/10 POTENTIAL IMPACTS ----------------- * A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE. * IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION OF THE SHORELINE. * IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT THE TIME OF THE MAXIMUM TSUNAMI WAVES. * PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA. NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF THE SITUATION WARRANTS. * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S. GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT EARTHQUAKE.USGS.GOV. * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT WWW.TSUNAMI.GOV. * COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT WWW.TSUNAMI.GOV. * COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S. NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND AT WWW.TSUNAMI.GOV. $$ NNNN