Reply to “Comment on ‘Seismomagnetic effects from the long-awaited 28 September 2004 M 6.0 Parkfield earthquake’ by M. J. S. Johnston, Y. Sasai, G. D. Egbert, and R. J. Mueller” by P. Varotsos and S. Uyeda - Johnston, Malcolm; Sasai, Y.; Egbert, G.; Park, S. (Bulletin of Seismological Society of America, 2008)