####018001573#### WEAK53 PAAQ 301229 TIBAK1 Tsunami Information Statement Number 1 NWS National Tsunami Warning Center Palmer AK 529 AM PDT Sun Mar 30 2025 ...THIS IS A TSUNAMI INFORMATION STATEMENT FOR ALASKA, BRITISH COLUMBIA, WASHINGTON, OREGON AND CALIFORNIA... EVALUATION ---------- * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. * An earthquake has occurred with parameters listed below. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * The following parameters are based on a rapid preliminary assessment of the earthquake and changes may occur. * Magnitude 7.3 * Origin Time 0419 AKDT Mar 30 2025 0519 PDT Mar 30 2025 1219 UTC Mar 30 2025 * Coordinates 20.6 South 173.4 West * Depth 34 miles * Location near the Tonga Islands ADDITIONAL INFORMATION AND NEXT UPDATE -------------------------------------- * Refer to the internet site tsunami.gov for more information. * Pacific coastal regions outside California, Oregon, Washington, British Columbia, and Alaska should refer to the Pacific Tsunami Warning Center messages at tsunami.gov. * This will be the only U.S. National Tsunami Warning Center message issued for this event unless additional information becomes available. $$ ####018001719#### WEAK63 PAAQ 301229 TIBSPN Boletin Informativo de Tsunami Numero 1 NWS Centro Nacional de Alerta de Tsunami Palmer AK 529 AM PDT Sun Mar 30 2025 ...ESTE ES UN MENSAJE INFORMATIVO DE TSUNAMI PARA ALASKA, COLUMBIA BRITANICA, WASHINGTON, OREGON Y CALIFORNIA... EVALUACION ---------- * No existe peligro de tsunami para las areas indicadas arriba. * Basandose en informacion acerca del terremoto y los registros historicos de tsunamis disponibles no se espera la generacion de un tsunami. * Ha ocurrido un terremoto con los parametros indicados a continuacion. PARAMETROS PRELIMINARES DEL TERREMOTO ------------------------------------- * LOS SIGUIENTES PARAMETROS ESTAN BASADOS EN UNA EVALUACION PRELIMINAR RAPIDA Y PUEDEN VARIAR. * Magnitud 7.3 * Tiempo de Origen 0419 AKDT Mar 30 2025 0519 PDT Mar 30 2025 1219 UTC Mar 30 2025 * Coordenadas 20.6 Sur 173.4 Oeste * Profundidad 34 millas * Localizacion cerca de las Islas Tonga INFORMACION ADICIONAL Y PROXIMA ACTUALIZACION --------------------------------------------- * Para acceder a informacion adicional consulte el sitio de internet tsunami.gov. * Regiones costeras del Pacifico fuera de California, Oregon, Washington, Columbia Britanica y Alaska deben referirse a los mensanjes del Centro de Alerta de Tsunami del Pacifico en tsunami.gov. * Este sera el unico mensaje proveniente del Centro Nacional de Alerta de Tsunami de los Estados Unidos para este evento a menos que se disponga de informacion adicional. $$ ####018004092#### WEPA40 PHEB 301229 TSUPAC TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI 1229 UTC SUN MAR 30 2025 ...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 7.3 * ORIGIN TIME 1219 UTC MAR 30 2025 * COORDINATES 20.6 SOUTH 173.4 WEST * DEPTH 59 KM / 36 MILES * LOCATION TONGA EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.3 OCCURRED IN THE TONGA ISLANDS AT 1219 UTC ON SUNDAY MARCH 30 2025. * BASED ON THE PRELIMINARY EARTHQUAKE PARAMETERS... HAZARDOUS TSUNAMI WAVES ARE POSSIBLE FOR COASTS LOCATED WITHIN 300 KM OF THE EARTHQUAKE EPICENTER. TSUNAMI THREAT FORECAST ----------------------- * HAZARDOUS TSUNAMI WAVES FROM THIS EARTHQUAKE ARE POSSIBLE WITHIN 300 KM OF THE EPICENTER ALONG THE COASTS OF TONGA. 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) ------------------------------------------------------------ HOLEVA TONGA 18.6S 173.9W 1248 03/30 NUKUALOFA TONGA 21.0S 175.2W 1249 03/30 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. $$