Magnitude
7.2
Date-Time
Friday, June 24, 2011 at 03:09:40 UTC
Thursday, June 23, 2011 at 06:09:40 PM at epicenter
Thursday, June 24, 2011 at 05:09:40 PM HST
Location
52.008°N, 171.859°W
Depth
62.6 km (38.9 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
TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 0320Z 24 JUN 2011
THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC OCEAN AND ADJACENT SEAS…EXCEPT ALASKA…BRITISH COLUMBIA… WASHINGTON…OREGON AND CALIFORNIA.
… TSUNAMI INFORMATION BULLETIN …
THIS BULLETIN IS FOR INFORMATION ONLY.
THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES. ONLY NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND ANY ACTIONS TO BE TAKEN IN RESPONSE.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME – 0310Z 24 JUN 2011
COORDINATES – 52.1 NORTH 171.7 WEST
DEPTH – 40 KM
LOCATION – FOX ISLANDS ALEUTIAN ISLANDS
MAGNITUDE – 7.3
EVALUATION
NO DESTRUCTIVE WIDESPREAD TSUNAMI THREAT EXISTS BASED ON HISTORICAL EARTHQUAKE AND TSUNAMI DATA.
HOWEVER – EARTHQUAKES OF THIS SIZE SOMETIMES GENERATE LOCAL TSUNAMIS THAT CAN BE DESTRUCTIVE ALONG COASTS LOCATED WITHIN A HUNDRED KILOMETERS OF THE EARTHQUAKE EPICENTER. AUTHORITIES IN THE REGION OF THE EPICENTER SHOULD BE AWARE OF THIS POSSIBILITY AND TAKE APPROPRIATE ACTION.
THIS WILL BE THE ONLY BULLETIN ISSUED FOR THIS EVENT UNLESS ADDITIONAL INFORMATION BECOMES AVAILABLE.
THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE PRODUCTS FOR ALASKA…BRITISH COLUMBIA…WASHINGTON…OREGON…CALIFORNIA.
The Sea Level Monitoring Station at Adak, Alaska appears to have recorded some surges after the 7.2M earthquake.
Leave a Reply