8.0 Earthquake off Alaska – Tsunami Warning Issued
VANCOUVER – WEATHER – A Tsunami Warning has been issued following an 8.0 Earthquake off the coast of Alaska.
Tsunami Warning Update
WEAK51 PAAQ 232143 TSUAK1 BULLETIN PUBLIC TSUNAMI MESSAGE NUMBER 3 NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK 143 PM AKDT MON JUN 23 2014 UPDATES IN THIS MESSAGE INCLUDE NEW OBSERVATIONS. ...THE TSUNAMI WARNING REMAINS IN EFFECT... ...THE TSUNAMI ADVISORY REMAINS IN EFFECT... WARNINGS/ADVISORIES/WATCHES --------------------------- TSUNAMI WARNING IN EFFECT FOR... * THE COASTAL AREAS OF ALASKA FROM NIKOLSKI ALASKA TO ATTU ALASKA TSUNAMI ADVISORY IN EFFECT FOR... * THE COASTAL AREAS OF ALASKA FROM UNIMAK PASS ALASKA /WHICH IS LOCATED 80 MILES NE OF UNALASKA/ TO NIKOLSKI ALASKA * FOR OTHER US AND CANADIAN PACIFIC COASTS IN NORTH AMERICA - THE LEVEL OF TSUNAMI DANGER IS BEING EVALUATED. FURTHER INFORMATION WILL BE PROVIDED IN SUPPLEMENTARY MESSAGES. IMPACTS FOR TSUNAMI WARNING AREAS --------------------------------- * WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL CURRENTS ARE POSSIBLE AND MAY CONTINUE FOR MANY HOURS AFTER TSUNAMI ARRIVAL. * THE FIRST WAVE MAY NOT BE THE LARGEST. IMPACTS FOR TSUNAMI ADVISORY AREAS ---------------------------------- * A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS EXPECTED. * CURRENTS MAY BE HAZARDOUS TO SWIMMERS... BOATS... AND COASTAL STRUCTURES AND MAY CONTINUE FOR MANY HOURS AFTER THE TSUNAMI ARRIVAL. * THE FIRST WAVE MAY NOT BE THE LARGEST. RECOMMENDED ACTIONS ------------------- * IF YOU ARE IN A WARNING AREA - MOVE INLAND TO HIGHER GROUND. * IF YOU ARE IN AN ADVISORY AREA - MOVE OFF THE BEACH AND OUT OF HARBORS AND MARINAS. WIDESPREAD INUNDATION OF LAND IS NOT EXPECTED FOR ADVISORY AREAS. * BE ALERT TO INSTRUCTIONS FROM YOUR LOCAL EMERGENCY OFFICIALS. * DO NOT GO TO THE COAST TO OBSERVE THE TSUNAMI. * DO NOT RETURN TO THE COAST UNTIL LOCAL EMERGENCY OFFICIALS INDICATE IT IS SAFE TO DO SO. FORECASTS AND/OR OBSERVATIONS OF TSUNAMI ACTIVITY ------------------------------------------------- FORECAST START OF SITE OF TSUNAMI ---- ---------- * ALASKA SHEMYA 1324 AKDT JUN 23 ADAK 1334 AKDT JUN 23 UNALASKA 1443 AKDT JUN 23 SAINT PAUL 1504 AKDT JUN 23 ADDITIONAL OBSERVATIONS OF TSUNAMI ACTIVITY - UPDATED ----------------------------------------------------- TIME OBSERVED MAX SITE OF MEASUREMENT TSUNAMI HEIGHT ---------------------------- --------------- -------------- AMCHITKA AK 2136 UTC 06-23 00.6FT HEIGHT - OBSERVED MAX TSUNAMI HEIGHT IS THE WATER LEVEL ABOVE THE TIDE LEVEL AT THE TIME OF MEASUREMENT. A SMALL TSUNAMI WAS RECORDED ON DEEP OCEAN SENSOR 21414. THE DEPTH OF THIS EARTHQUAKE WILL LIMIT THE EXTENT OF TSUNAMI DANGER. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 8.0 * ORIGIN TIME 1253 AKDT JUN 23 2014 1353 PDT JUN 23 2014 2053 UTC JUN 23 2014 * COORDINATES 51.8 NORTH 178.7 EAST * DEPTH 68 MILES * LOCATION 25 MILES NW OF AMCHITKA ALASKA 195 MILES W OF ADAK ALASKA NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THIS MESSAGE WILL BE UPDATED WITHIN 60 MINUTES. * REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. * PACIFIC COASTAL RESIDENTS OUTSIDE CALIFORNIA... OREGON... WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE PACIFIC TSUNAMI WARNING CENTER MESSAGES AT PTWC.WEATHER.GOV.