Changes between Version 3 and Version 4 of HowTo/IaspeiFilters


Ignore:
Timestamp:
02/01/2012 04:53:56 PM (11 years ago)
Author:
MarcusWalther
Comment:

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  • HowTo/IaspeiFilters

    v3 v4  
    99The complete recommendation text by the IASPEI working group is available as [source:SH_SHM/tags/2012a/doc/Summary_WG-Recommendations_20110909.pdf PDF]. 
    1010 
    11 '''Important note:''' Please be aware that all magnitude values determined differ slightly between these two filter sets. If you do statistics for several years, you should think '''very carefully''' about this issue! At the German Seismological Observatory we found a mean difference of 0.06 magnitude units for m,,b,, by analyzing more than 10.000 events. This seems quite small, but individual events show higher differences. 
     11'''Important note:''' Please be aware that all magnitude values determined differ slightly between these two filter sets. If you do statistics for several years, you should think '''very carefully''' about this issue! At the German Seismological Observatory we found a mean difference of 0.033 magnitude units for m,,b,, by analyzing more than 10.000 events. This seems quite small, but individual events show higher differences. 
    1212 
    1313The next three plots show IASPEI (red) versus classic (blue) transfer functions (click to zoom).