George Helffrich

Image of the Earth
Contact me by e-mailing to ;
Phone: +81 3 5734 2126, +81 3 5734 3416 (FAX) [Current location:]

SAC for your MacOS X (or other) system here    Fast, interactive receiver function modelling? Look here...
Focal mechanism drawing? Try here!    Want to listen to the magnitude 9 Boxing Day earthquake and other seismograms (as MP3 files)? Look here...
Focal mechanism animation? Try here!    Browsing for something? Tips and tricks about software and system procedures...
CMT catalog search? Try here!    Want some useful figures? Visit the figure gallery
Calculate travel times? Try here!    Buland and Kennett travel time tables? See here!
Sensible extraction of seismograms from SEED volumes? See here!    Calculate liquid metal seismic wave speeds? See here!

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