000 WEAK51 PAAQ 280847 TSUAK1 BULLETIN PUBLIC TSUNAMI MESSAGE NUMBER 10 NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK 147 AM PDT SUN OCT 28 2012 THERE ARE NO CHANGES TO ADVISORY AREAS IN THIS BULLETIN. ...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA AND OREGON FROM GUALALA POINT CALIFORNIA/LOCATED 80 MILES NW OF SAN FRANCISCO/ TO DOUGLAS-LANE COUNTY LINE OREGON/10 MILES SW OF FLORENCE/... ...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL AREAS OF BRITISH COLUMBIA FROM THE WASHINGTON-BRITISH COLUMBIA BORDER TO THE ALASKA-BRITISH COLUMBIA BORDER... ...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO GUALALA POINT CALIFORNIA/LOCATED 80 MILES NW OF SAN FRANCISCO/... ...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF OREGON AND WASHINGTON FROM DOUGLAS-LANE COUNTY LINE OREGON/10 MILES SW OF FLORENCE/ TO THE WASHINGTON-BRITISH COLUMBIA BORDER... ...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF ALASKA FROM THE ALASKA-BRITISH COLUMBIA BORDER TO ATTU ALASKA... A TSUNAMI ADVISORY MEANS THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PEOPLE IN OR VERY NEAR THE WATER IS 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. AT 804 PM PACIFIC DAYLIGHT TIME ON OCTOBER 27 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 7.7 OCCURRED 25 MILES/40 KM SOUTH OF SANDSPIT BRITISH COLUMBIA. THIS EARTHQUAKE HAS GENERATED A TSUNAMI WHICH COULD CAUSE DAMAGE TO REGIONS IN A WARNING OR ADVISORY. ESTIMATED TSUNAMI ARRIVAL TIMES AND MAPS ALONG WITH SAFETY RULES AND OTHER INFORMATION CAN BE FOUND ON THE WEB SITE WCATWC.ARH.NOAA.GOV. MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY LOCATION LAT LON TIME AMPL ------------------------ ----- ------ ------- ----------- CRAIG AK 55.5N 133.1W 0446UTC 00.3FT/00.10M PORT ALEXANDER AK 56.2N 134.6W 0533UTC 00.5FT/00.14M SITKA AK 57.1N 135.3W 0730UTC 00.4FT/00.12M ELFIN COVE AK 58.2N 136.3W 0448UTC 00.2FT/00.07M YAKUTAT AK 59.5N 139.7W 0732UTC 00.5FT/00.14M SEWARD AK 60.1N 149.4W 0600UTC 00.5FT/00.16M KODIAK AK 57.7N 152.5W 0650UTC 00.4FT/00.13M SAND POINT AK 55.3N 160.5W 0744UTC 00.3FT/00.08M WINTER HARBOUR BC 50.7N 128.3W 0400UTC 00.5FT/00.16M NEAH BAY WA 48.4N 124.6W 0530UTC 00.3FT/00.10M PORT ANGELES WA 48.1N 123.4W 0640UTC 00.4FT/00.11M LA PUSH WA 47.5N 124.4W 0448UTC 00.4FT/00.13M WESTPORT WA 46.9N 124.1W 0550UTC 00.3FT/00.10M GARIBALDI OR 45.6N 123.9W 0515UTC 00.2FT/00.05M SOUTH BEACH OR 44.6N 124.0W 0524UTC 00.3FT/00.09M CHARLESTON OR 43.3N 124.3W 0702UTC 00.4FT/00.12M PORT ORFORD OR 42.7N 124.5W 0750UTC 00.7FT/00.20M CRESCENT CITY CA 41.7N 124.2W 0736UTC 01.3FT/00.41M NORTH SPIT CA 40.8N 124.2W 0626UTC 00.5FT/00.15M ARENA COVE CA 38.9N 123.7W 0637UTC 01.3FT/00.41M POINT REYES CA 38.0N 123.0W 0819UTC 00.5FT/00.16M SAN FRANCISCO CA 37.8N 122.5W 0802UTC 00.5FT/00.14M MONTEREY HARBOR CA 36.6N 121.9W 0738UTC 00.4FT/00.13M PORT SAN LUIS CA 35.2N 120.8W 0810UTC 00.9FT/00.27M LA JOLLA CA 32.9N 117.3W 0742UTC 00.2FT/00.06M 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/. TSUNAMIS CAN BE DANGEROUS WAVES THAT ARE NOT SURVIVABLE. WAVE HEIGHTS ARE AMPLIFIED BY IRREGULAR SHORELINE AND ARE DIFFICULT TO FORECAST. TSUNAMIS OFTEN APPEAR AS A STRONG SURGE AND MAY BE PRECEDED BY A RECEDING WATER LEVEL. MARINERS IN WATER DEEPER THAN 600 FEET SHOULD NOT BE AFFECTED BY A TSUNAMI. WAVE HEIGHTS WILL INCREASE RAPIDLY AS WATER SHALLOWS. TSUNAMIS ARE A SERIES OF OCEAN WAVES WHICH CAN BE DANGEROUS FOR SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL. DO NOT RETURN TO EVACUATED AREAS UNTIL AN ALL CLEAR IS GIVEN BY LOCAL CIVIL AUTHORITIES. PACIFIC COASTAL REGIONS OUTSIDE CALIFORNIA/ OREGON/ WASHINGTON/ BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE PACIFIC TSUNAMI WARNING CENTER MESSAGES FOR INFORMATION ON THIS EVENT AT PTWC.WEATHER.GOV. THIS MESSAGE WILL BE UPDATED IN 60 MINUTES OR SOONER IF THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. FOR FURTHER INFORMATION STAY TUNED TO NOAA WEATHER RADIO... YOUR LOCAL TV OR RADIO STATIONS... OR SEE THE WEB SITE WCATWC.ARH.NOAA.GOV. $$