In a message dated 30/12/2005, sismos@.............. writes:

> http://earthquake.usgs.gov/image_glossary/harmonic_tremor.html

Hi Angel,

       Thanks. There seems to be no information on frequency, period, or 
amplitude even on the volcano website.

       See also http://earthquake.usgs.gov/image_glossary/richter_scale.html

       http://earthquake.usgs.gov/image_glossary/seismic_moment.html 

       http://earthquake.usgs.gov/image_glossary/magnitude.html 

       Regards,
       
       Chris
In a message dated 30/12/2005, sism=
os@.............. writes:



http://earthquake.usgs.gov/imag=
e_glossary/harmonic_tremor.html




Hi Angel,



       Thanks. There seems to be no informatio=
n on frequency, period, or amplitude even on the volcano website.



       See also http://earthquake.usgs.gov/image_=
glossary/richter_scale.html



       http://earthquake.usgs.gov/image_glossary=
/seismic_moment.html 



       http://earthquake.usgs.gov/image_glossary/magn=
itude.html 



       Regards,

       

       Chris