http://www.scec.org/instanet/01news/...nov_freund.pdf
I cited the above URL in my August 8, 04 posting, which discusses the mechanism that creates the electrical charge during an earthquake. The real tragedy is the number of seismologists that hang on to the old theories and are unwilling or unable to grasp the significance of the "electrical" mechanisms related to earthquakes.
The studies presented by Friedemann Freund indicate that the massive release of positive charge carriers results in a large surface area around the seismic event rapidly going positive, which in effect is modulating the earth-ionosphere electric field immediately above this area. This may be the major process generating the electromagnetic field that is being detected by ULF/ELF receivers.
