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Subject:  Great Sumatra Earthquake Date:  12/30/2004  10:27 AM
Author:  redbaron7 Number:  180 of 186

Lastnight I produced a couple of maps of the mainshock and its aftershocks:

The USGS are currently quoting 1200km length of fault slipping, with an estimated width of about 100km, and mean displacement of 15m.
The technical term for that is "Humungous".

The focal mechanism of the main shock is here:

Classic low-angle thrust mechanism dipping slightly to the north east.


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