Tsunami Strike! Pacific Edition
0 Minutes
Instructions
Click each of the locations as they are highlighted on the map to visit Shumigan Gap, Chignik, the West CoastlAlaska Tsunami Warning Center (WCATVVC) and Pacific Tsunami Warning Center (PIVVC), San Diego, and Coos County. Also view the lessons, 'Seismic Detection,' 'Sources of Tsunamis,' and 'Tsunami Alerts.' Complete Worksheet 1 as you take the lessons.
The numbered Circle icons and indicate where to click next. Follow this sequence for a Guided Tour through the story.
Earthquake!
Chignak, Alaska, 1st visit
WCATWC 1st visit
Tsunami Message 1 (WCATWC)
BULLETIN
TSUNAMI MESSAGE NUMBER 1
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
805 AM AKDT
...A TSUNAMI WARNING IS IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF BRITISH COLUMBIA AND ALASKA FROM THE NORTH
TIP OF VANCOUVER ISLAND BRITISH COLUMBIA TO ATTU ALASKA...
...A TSUNAMI WATCH IS IN EFFECT WHICH INCLUDES THE COASTAL
AREAS OF CALIFORNIA - OREGON - WASHINGTON AND BRITISH
COLUMBIA FROM THE CALIFORNIA-MEXICO BORDER TO THE NORTH TIP
OF VANCOUVER ISLAND BRITISH COLUMBIA...
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 WARNING COASTAL AREAS
SHOULD MOVE INLAND TO HIGHER GROUND.
- PERSONS IN TSUNAMI WATCH AREAS SHOULD
STAY ALERT FOR SUPPLEMENTAL INFORMATION.
PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 8.8
TIME - 0800 AKDT
0900 PDT
1600 UTC
LOCATION - 55.0 NORTH 157.0 WEST
105 MILES/169 KM SE OF CHIGNIK ALASKA
500 MILES/805 KM SW OF ANCHORAGE ALASKA
DEPTH - 28 MILES/45 KM
Tsunami Message 1 (PTWC)
TSUNAMI MESSAGE NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
605 AM HST WED
TO - CIVIL DEFENSE IN THE
SUBJECT - TSUNAMI WATCH
A TSUNAMI WATCH IS ISSUED
0605 AM HST.
MAGNITUDE - 8 8 MOMENT
STATE OF HAWAII
FOR THE STATE OF HAWAII EFFECTIVE AT
AN EARTHQUAKE HAS OCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME - 0600 AM HST
COORDINATES - 55.0 NORTH 157.0 WEST
LOCATION -
ALASKA PENINSULA
EVALUATION
BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY
THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN
FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY 'ro DETERMINE
IF THERE IS A TSUNAMI THREAT TO HAWAII .
IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF
THE FIRST TSUNAMI WAVE IS
1033 AM HST
MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.
Chignak, Alaska, 2nd visit
San Diego, California
WCATWC 2nd visit
PTWC
Coos County, Oregon
Lesson Navigation
*Time since earthquake
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