WEPA41 PAAQ 300630 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 8 NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK 1130 PM PDT TUE SEP 29 2009 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA AND OREGON FROM THE CALIFORNIA-MEXICO BORDER TO THE OREGON-WASHINGTON BORDER... ...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE OREGON-WASHINGTON BORDER TO ATTU ALASKA... RECOMMENDED ACTIONS A TSUNAMI HAS BEEN GENERATED WHICH COULD IMPACT THE ADVISORY REGIONs LISTED IN THE HEADLINE. PERSONS IN LOW-LYING COASTAL AREAS SHOULD BE ALERT TO INSTRUCTIONS FROM THEIR LOCAL EMERGENCY OFFICIALS. EVACUATIONS ARE ONLY ORDERED BY EMERGENCY RESPONSE AGENCIES. - PERSONS IN TSUNAMI ADVISORY AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. THIS MESSAGE IS BASED ON EARTHQUAKE DATA... OBSERVED TSUNAMI AMPLITUDES... HISTORICAL INFORMATION AND FORECAST MODELS. A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES LOCATION LAT LON TIME AMPL ------------------------ ----- ------ ------- ----------- EASTER ISLAND CHILE 27.1S 109.3W 0342UTC 0.25M/0.8FT CHARLESTON OR 43.3N 124.3W 0528UTC 0.13M/0.4FT PORT ORFORD OR 42.7N 124.5W 0509UTC 0.17M/0.6FT SOUTH BEACH OR 44.6N 124.0W 0545UTC 0.09M/0.3FT SHEMYA AK 52.7N 174.1E 0456UTC 0.10M/0.3FT CRESCENT CITY CA 41.7N 124.2W 0605UTC 0.21M/0.7FT ARENA COVE CA 38.9N 123.7W 0459UTC 0.33M/1.1FT PORT SAN LUIS CA 35.2N 120.8W 0531UTC 0.30M/1.0FT THE TSUNAMI IS REACHING ITS MAXIMUM AMPLITUDE AT MANY LOCATIONS ALONG THE WEST COAST. EXPECTATIONS ARE FOR THE AMPLITUDE TO DECREASE OVER THE NEXT FEW HOURS. THE CENTER WILL CONTINUE TO MONITOR THIS EVENT UNTIL ALL POTENTIAL DANGER IS PASSED. TIME - TIME OF MEASUREMENT AMPL - TSUNAMI AMPLITUDES ARE MEASURED RELATIVE TO NORMAL SEA LEVEL. IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT. VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT). PRELIMINARY EARTHQUAKE PARAMETERS MAGNITUDE - 8.0 TIME - 0948 AKDT SEP 29 2009 1048 PDT SEP 29 2009 1748 UTC SEP 29 2009 LOCATION - 15.6 SOUTH 172.0 WEST - SAMOA ISLANDS REGION DEPTH - 21 MILES/33 KM THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE MESSAGES FOR HAWAII AND OTHER AREAS OF THE PACIFIC OUTSIDE THE STATES AND PROVINCES LISTED ABOVE. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS IMMINENT OR EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION IS NOT EXPECTED FOR AREAS UNDER AN ADVISORY. CURRENTS MAY BE HAZARDOUS TO SWIMMERS... BOATS... AND COASTAL STRUCTURES AND MAY CONTINUE FOR SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL. THIS MESSAGE WILL BE UPDATED IN 120 MINUTES OR SOONER IF THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. PZZ750-655-650-673-670-565-535-530-545-560-455-540-450-356- 775-353-350-255-250-CAZ039>046-087-034-035-515-006-506-508- 509-514-505-002-001-ORZ022-002-021-001-300900- /O.CON.PAAQ.TS.Y.0008.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING THE CALIFORNIA-MEXICO BORDER TO THE OREGON-WASHINGTON BORDER 1130 PM PDT TUE SEP 29 2009 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA AND OREGON FROM THE CALIFORNIA-MEXICO BORDER TO THE OREGON-WASHINGTON BORDER... PERSONS IN TSUNAMI ADVISORY AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR WATER IS IMMINENT OF EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION IS NOT EXPECTED FOR AREAS IN AN ADVISORY. TSUNAMIS ARE A SERIES OF WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL TIME. $$