06-23-2011, 08:53 PM
(This post was last modified: 06-23-2011, 08:54 PM by Valuesize. Edited 1 time in total.)
Quote:Earthquake Detailshttp://earthquake.usgs.gov/earthquakes/r...004f5m.php
This event has been reviewed by a seismologist.
Magnitude
7.4
Date-Time
Friday, June 24, 2011 at 03:09:39 UTC
Thursday, June 23, 2011 at 06:09:39 PM at epicenter
Time of Earthquake in other Time Zones
Location
52.042°N, 171.842°W
Depth
46.8 km (29.1 miles)
Region
FOX ISLANDS, ALEUTIAN ISLANDS, ALASKA
Distances
64 km (39 miles) SW of Amukta Island, Alaska
103 km (64 miles) SW of Yunaska Island, Alaska
1677 km (1042 miles) WSW of Anchorage, Alaska
2429 km (1509 miles) W of WHITEHORSE, Yukon Territory, Canada
Location Uncertainty
horizontal +/- 20.2 km (12.6 miles); depth +/- 11 km (6.8 miles)
Parameters
NST=283, Nph=283, Dmin=228.2 km, Rmss=0.97 sec, Gp= 61°,
M-type=regional moment magnitude (Mw), Version=6
Tsunami Warning Issued...
Quote:THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTALhttp://wcatwc.arh.noaa.gov/2011/06/24/ln...y44-02.txt
AREAS OF ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE OF
DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES W OF
ADAK/...
...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
CALIFORNIA - OREGON - WASHINGTON - BRITISH COLUMBIA AND
ALASKA FROM THE CALIFORNIA-MEXICO BORDER TO UNIMAK PASS
ALASKA/80 MILES NE OF DUTCH HARBOR/...
...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
ALASKA FROM AMCHITKA PASS ALASKA/125 MILES W OF ADAK/ TO
ATTU ALASKA...
A TSUNAMI WARNING MEANS... ALL COASTAL RESIDENTS IN THE WARNING
AREA WHO ARE NEAR THE BEACH OR IN LOW-LYING REGIONS SHOULD MOVE
IMMEDIATELY INLAND TO HIGHER GROUND AND AWAY FROM ALL HARBORS AND
INLETS INCLUDING THOSE SHELTERED DIRECTLY FROM THE SEA. THOSE
FEELING THE EARTH SHAKE... SEEING UNUSUAL WAVE ACTION... OR THE
WATER LEVEL RISING OR RECEDING MAY HAVE ONLY A FEW MINUTES BEFORE
THE TSUNAMI ARRIVAL AND SHOULD MOVE IMMEDIATELY. HOMES AND
SMALL BUILDINGS ARE NOT DESIGNED TO WITHSTAND TSUNAMI IMPACTS.
DO NOT STAY IN THESE STRUCTURES.
ALL RESIDENTS WITHIN THE WARNED AREA SHOULD BE ALERT FOR
INSTRUCTIONS BROADCAST FROM THEIR LOCAL CIVIL AUTHORITIES.
EARTHQUAKES OF THIS SIZE ARE KNOWN TO GENERATE TSUNAMIS.
AT 710 PM ALASKAN DAYLIGHT TIME ON JUNE 23 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 7.3 OCCURRED 20 MILES/32 KM SOUTHEAST OF
AMUKTA PASS ALASKA.
EARTHQUAKES OF THIS SIZE ARE KNOWN TO GENERATE TSUNAMIS.
IF A TSUNAMI HAS BEEN GENERATED THE WAVES WILL FIRST REACH
ADAK ALASKA AT 812 PM AKDT ON JUNE 23.
ESTIMATED TSUNAMI ARRIVAL TIMES AND MAPS ALONG WITH SAFETY RULES
AND OTHER INFORMATION CAN BE FOUND ON THE WEB SITE
WCATWC.ARH.NOAA.GOV.