Posted on 01/02/2006 7:03:38 AM PST by null and void
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The official magnitude for this earthquake is indicated at the top of this page. This was the best available estimate of the earthquake's size, at the time that this page was created. Other magnitudes associated with web pages linked from here are those determined at various times following the earthquake with different types of seismic data. Although, given the data used, they are legitimate estimates of magnitude, they are not considered the official magnitude.
FAQ about Earthquakes | Earthquake Preparedness
The USGS Earthquake Hazards Program (EHP) of the U.S. Geological Survey (USGS)
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That is a shallow quake which makes it potentially more dangerous.
Thanks for the map, I had no idea where the Sandwich Islands were.
TO - TSUNAMI WARNING SYSTEM PARTICIPANTS ALONG THE U.S.
ATLANTIC... EASTERN CANADIAN AND GULF OF MEXICO COASTS
FROM - WEST COAST AND ALASKA TSUNAMI WARNING CENTER/NOAA/NWS
SUBJECT - TSUNAMI INFORMATION
BULLETIN NUMBER 1
ISSUED 01/02/2006 AT 0635 UTC
...THIS TSUNAMI INFORMATION BULLETIN IS FOR THE U.S. ATLANTIC
AND GULF OF MEXICO COASTS AND EASTERN CANADA...
NO - REPEAT NO - WATCH OR WARNING IS IN EFFECT FOR U.S. ATLANTIC
AND GULF OF MEXICO STATES AND THE EASTERN CANADIAN PROVINCES.
EARTHQUAKE DATA
PRELIMINARY MAGNITUDE - 7.3
LOCATION - 60.9S 21.4W
- SOUTHWESTERN ATLANTIC OCEAN
TIME - 0111 EST 01/02/2006
0011 CST 01/02/2006
0611 UTC 01/02/2006
EVALUATION
BASED ON EARTHQUAKE AND HISTORICAL TSUNAMI INFORMATION THE
EARTHQUAKE WAS NOT SUFFICIENT TO GENERATE A TSUNAMI DAMAGING TO
THE U.S. ATLANTIC... EASTERN CANADIAN OR GULF OF MEXICO COASTS.
HOWEVER - EARTHQUAKES OF THIS SIZE SOMETIMES GENERATE
TSUNAMIS THAT CAN BE DESTRUCTIVE ALONG COASTS LOCATED IN THE
REGION OF THE EARTHQUAKE EPICENTER. AUTHORITIES IN THE REGION
SHOULD BE AWARE OF THIS POSSIBILITY AND TAKE APPROPRIATE ACTION.
THIS WILL BE THE ONLY BULLETIN ISSUED FOR THIS EVENT BY THE
WEST COAST AND ALASKA TSUNAMI WARNING CENTER UNLESS ADDITIONAL
INFORMATION BECOMES AVAILABLE. REFER TO THE INTERNET SITE
WCATWC.ARH.NOAA.GOV FOR MORE INFORMATION.
$$
South Georgia and the South Sandwich Islands (SGSSI) is an overseas territory of the United Kingdom in the southern Atlantic Ocean.
Wheres the "Bush's fault" part?
7 hours old at the time of your posting.
The tsunami headline is unnecessary, and should have been obvious by that time.
Near the Mayo straights.
Blanco and Nagin seen riding North in stolen school bus!
Well, of course, why didn't they say that. The Mayo Straits, I know exactly where that is (not). LOL!
Thanks for posting. BTTT!
TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 0405Z 13 DEC 2005
THIS BULLETIN IS FOR ALL AREAS OF THE PACIFIC BASIN EXCEPT
ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.
... TSUNAMI INFORMATION BULLETIN ...
THIS MESSAGE IS FOR INFORMATION ONLY.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME - 0316Z 13 DEC 2005
COORDINATES - 15.0 SOUTH 178.7 WEST
LOCATION - FIJI ISLANDS REGION
MAGNITUDE - 6.8
EVALUATION
NO DESTRUCTIVE PACIFIC-WIDE 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 BULLETINS
FOR ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.
Understandably, people are a bit too focused on tsunamis now.
Tsunami aren't as rare as they were during the incredible 1964-2004 period where they were absurdly rare compared to normal, that people were used to, but they aren't really THAT common, particularly "teletsunami"....ones that cross any appreciable distance.
I wouldn't even begin to start thinking about any sort of real damaging LONG-RANGE tsunami for anything below Mag 8.3 or so. There have been a tiny, tiny, tiny handful for quakes under that magnitude in some special circumstances.
Mag 7-8 quakes underwater are pretty darn common, and only a tiny percentage of them create tsunami at all. This particular quake, in addition to not being that big, was a "strike-slip"...sliding past each other like the San Andreas, not a subduction quake where the sea floor rises and falls, making one even more unlikely.
Thanks!
Right next to the Soda Islands, the Potato Salad Islands, and the Hors D'Oeuvre Islands.
There was a good program on Discovery Channel the other night - they did a piece on the team that took tethered camera subs down the 3 miles or so to the site of the fracture and found sharp-edged escarpments totalling something like 15m high, which would have accounted for the volume of water in the wave(s).
A decently-interesting show when you got past all the hype and 'personal stories' to the real science.
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