8.0 EARTHQUAKE ALASKA

M8.0 – SE of Little Sitkin Island, Alaska. Tsunami warning in effect.

Event Time:

2014-06-23 20:53:10 UTC
2014-06-23 11:53:10 UTC-09:00 at epicenter
2014-06-23 13:53:10 UTC-07:00 system time
Location

51.797°N 178.759°E depth=114.4km (71.1mi)

Nearby Cities

24km (15mi) SE of Little Sitkin Island, Alaska
1370km (851mi) E of Petropavlovsk-Kamchatskiy, Russia
1387km (862mi) E of Vilyuchinsk, Russia
1388km (862mi) E of Yelizovo, Russia
2957km (1837mi) W of Whitehorse, Canada

BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 2
NWS NATIONAL TSUNAMI WARNING CENTER PALMER AK
113 PM AKDT MON JUN 23 2014

UPDATES IN THIS MESSAGE INCLUDE A REVISED MAGNITUDE.
UPDATES IN THIS MESSAGE INCLUDE MODIFIED ALERT AREAS.

...THE TSUNAMI WARNING REMAINS IN EFFECT...


...A TSUNAMI ADVISORY IS NOW IN EFFECT...


WARNINGS/ADVISORIES/WATCHES - UPDATED
-------------------------------------
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 - UPDATED
-----------------------------
 * 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                          


PRELIMINARY EARTHQUAKE PARAMETERS - UPDATED
-------------------------------------------
 * 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 30 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.

$$