UPDATED: Tsunami Warnings issued for State of Alaska

WEPA41 PAAQ 280617
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 7
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1117 PM PDT SAT OCT 27 2012

THE WARNING IS DOWNGRADED TO AN ADVISORY FOR SE ALASKA AND
NORTHERN BRITISH COLUMBIA. MORE OBSERVATIONS ARE INCLUDED
BELOW.

…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 NORTH TIP OF VANCOUVER ISLAND
BRITISH COLUMBIA…

…THE TSUNAMI ADVISORY IS MODIFIED TO INCLUDE THE COASTAL
AREAS OF BRITISH COLUMBIA AND ALASKA FROM THE NORTH TIP OF
VANCOUVER ISLAND BRITISH COLUMBIA TO CAPE DECISION
ALASKA/LOCATED 85 MILES SE OF SITKA/…

…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 CAPE DECISION ALASKA/LOCATED 85 MILES SE OF
SITKA/ TO ATTU ALASKA…

RECOMMENDED ACTIONS
A TSUNAMI HAS BEEN GENERATED WHICH IS EXPECTED TO IMPACT THE
ADVISORY REGIONS LISTED IN THE HEADLINE. PEOPLE IN LOW-LYING
COASTAL AREAS SHOULD BE ALERT TO INSTRUCTIONS FROM THEIR LOCAL
EMERGENCY OFFICIALS. EVACUATIONS ARE ONLY ORDERED BY EMERGENCY
RESPONSE AGENCIES.
– IF IN A TSUNAMI ADVISORY COASTAL AREA MOVE OUT OF
THE WATER… OFF THE BEACH AND OUT OF HARBORS AND MARINAS.

MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY

LOCATION LAT LON TIME AMPL
———————— —– —— ——- ———–
DART46419PT NW SEATTLE 48.8N 129.6W 0345UTC 00.2FT/00.07M
CRAIG AK 55.5N 133.1W 0427UTC 00.4FT/00.11M
PORT ALEXANDER AK 56.2N 134.6W 0533UTC 00.4FT/00.14M
WINTER HARBOUR BC 50.7N 128.3W 0400UTC 00.5FT/00.16M
SITKA AK 57.1N 135.3W 0425UTC 00.3FT/00.09M
ELFIN COVE AK 58.2N 136.3W 0448UTC 00.2FT/00.07M
SITKA AK 57.1N 135.3W 0525UTC 00.3FT/00.09M
YAKUTAT AK 59.5N 139.7W 0523UTC 00.4FT/00.12M
CHARLESTON OR 43.3N 124.3W 0524UTC 00.3FT/00.09M
GARIBALDI OR 45.6N 123.9W 0515UTC 00.2FT/00.05M
LA PUSH WA 47.5N 124.4W 0448UTC 00.4FT/00.13M
NEAH BAY WA 48.4N 124.6W 0530UTC 00.3FT/00.10M
PORT ORFORD OR 42.7N 124.5W 0519UTC 00.5FT/00.14M
SOUTH BEACH OR 44.6N 124.0W 0524UTC 00.3FT/00.09M
WESTPORT WA 46.9N 124.1W 0514UTC 00.3FT/00.09M
YAKUTAT AK 59.5N 139.7W 0520UTC 00.3FT/00.08M
ARENA COVE CA 38.9N 123.7W 0558UTC 00.5FT/00.17M
CRESCENT CITY CA 41.7N 124.2W 0555UTC 00.6FT/00.19M

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 – 7.7
TIME – 1904 AKDT OCT 27 2012
2004 PDT OCT 27 2012
0304 UTC OCT 28 2012
LOCATION – 52.9 NORTH 131.9 WEST
25 MILES/40 KM S OF SANDSPIT BRITISH COLUMBIA
385 MILES/620 KM SE OF JUNEAU ALASKA
DEPTH – 12 MILES/19 KM

TSUNAMI ADVISORIES MEAN 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.

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 30 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT
UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE
WCATWC.ARH.NOAA.GOV FOR MORE INFORMATION.

CAZ002-001-ORZ021-022-280717-
/O.CON.PAAQ.TS.Y.0024.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING GUALALA POINT
CALIFORNIA/LOCATED 80 MILES NW OF SAN FRANCISCO/ TO
DOUGLAS-LANE COUNTY LINE OREGON/10 MILES SW OF FLORENCE/
1117 PM PDT SAT OCT 27 2012

PEOPLE IN TSUNAMI ADVISORY COASTAL 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 PEOPLE IN OR VERY NEAR
WATER IS IMMINENT… EXPECTED OR OCCURRING. 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. ESTIMATED TIMES OF INITIAL WAVE ARRIVAL FOR SELECTED
SITES IN THE ADVISORY ARE PROVIDED BELOW.

CHARLESTON 2236 PDT OCT 27 CRESCENT CITY 2253 PDT OCT 27

FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE
WCATWC.ARH.NOAA.GOV

BCZ130-230-250-260-280-160-142-141-150-121-122-280717-
/O.CON.PAAQ.TS.Y.0024.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING THE WASHINGTON-BRITISH
COLUMBIA BORDER TO THE NORTH TIP OF VANCOUVER ISLAND
BRITISH COLUMBIA
1117 PM PDT SAT OCT 27 2012

…THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF BRITISH COLUMBIA FROM THE WASHINGTON-BRITISH
COLUMBIA BORDER TO THE NORTH TIP OF VANCOUVER ISLAND
BRITISH COLUMBIA…

PEOPLE IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF
THE WATER… OFF THE BEACH AND OUT OF HARBORS AND MARINAS.

BCZ220-210-922-912-921-911-110-AKZ026>029-280717-
/O.CAN.PAAQ.TS.W.0024.000000T0000Z-000000T0000Z/
/O.EXA.PAAQ.TS.Y.0024.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING THE NORTH TIP OF
VANCOUVER ISLAND BRITISH COLUMBIA TO CAPE DECISION
ALASKA/LOCATED 85 MILES SE OF SITKA/
1117 PM PDT SAT OCT 27 2012

PEOPLE IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF
THE WATER… OFF THE BEACH AND OUT OF HARBORS AND MARINAS.