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2013 3 6 15 43 12.0 -43.25 40.25 33.0 [color=9E7BFF]4.9 PRINCE EDWARD ISLANDS REGION
2013 3 6 14 52 56.0 -43.50 39.50 33.0 [color=9E7BFF] 4.9 PRINCE EDWARD ISLANDS REGION
2013 3 6 14 28 32.0 -43.25 40.25 33.0 [color=9E7BFF]4.9 PRINCE EDWARD ISLANDS REGION
2013 3 6 14 9 20.0 -43.25 39.75 33.0 [color=9E7BFF]4.8 PRINCE EDWARD ISLANDS REGION
2013 3 6 14 1 36.0 -43.25 40.25 33.0 [color=9E7BFF] 4.9 PRINCE EDWARD ISLANDS REGION
Note: The details below I am NOT entering yet as a Mag 6+ as the USGS data clearly shows it is not despite what the site may say.
2013-02-28 03:09:44, -17.770, 167.340, 6.1, 15.1, Vanuatu
Because they have to compare data before another event,I mean they are waiting for another event in the same area to compare the two to see .....!?
If the other main agencies can get it right within a day or two, or actually usually on the day, why can't the USGS?
A computer program?
Now in reality the cauldron is most likely a computer program and it would seem that the algorithm is defective in the initial instance as time and time again they shoot high and then drop down. To be fair I have looked at this in some depth in the past and on the whole the values change both up and down, but slightly more down, but it seems that recently it has wavered on the high side for low Mag 6.
What is more curious is that this happens more often with quakes just on or above the M6 value than with any other magnitude. This year this has happened to at least 3 - all of which were reduced to the figure that the other agencies saw in their crystal ball in the initial instance.
It is not that I particularly mind as these things will sort themselves out in time, but if the USGS wish to look complete pratts then they should carry on as they are. Maybe if someone from USGS is reading this they should go back to the Chief Wizard and report the fact that they are considered inept and ineffective in their initial assessments.