[Shake-dev] Question/comment regarding uncertainty map product.

Renate Hartog jrhartog at uw.edu
Thu Aug 18 18:39:33 UTC 2011


Hi Bruce,

In the ShakeMap web products I see sd.jpg and urat_pga.jpg, which are the
same thing. Shall we just get rid of the sd.jpg file? (or urat_pga.jpg, and
rename urat_pga.ps to sd.ps) Also, on the uncertainty map it should probably
say that it is only the uncertaintity ratio of the PGA values, not of
MI,PGV,PSA03,PSA10,PSA30. Or am I wrong about that? If  not wrong, the
question arises whether it would be a good thing for ShakeMap to output
uncertainty maps for all ground motion parameters. Perhaps this is already
configurable and I just haven't found where...source code suggests only
uncertainty ratio of pga is calculated.  The relative contribution grids
have a lot of information, but are not part of the "products".

thanks, Renate

-- 
Renate Hartog
Research Scientist
Pacific Northwest Seismic Network
Department of Earth and Space Sciences
University of Washington
Box 351310
Seattle, WA 98195

Tel. +1-206-685-7079 (office)
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