Reply: U.N. should have sought expert advice



Let us first consider points raised by Freund.

Campbell is a physicist. His area of specialization for the last 41 years has been geomagnetism, not seismology He did consult and reference respected seismologists in preparing his Eos article [Campbell, 1998]. The co-author of this reply, Geller, is a seismologist who has extensively studied proposed earthquake prediction methods [e.g., Geller, 1997].