Pedzisa mutsara unotevera: Mugari weFerndale Joseph Jordan Bognuda (2 October 1889 Vacaville, California - 7 January 1979) akatanga kufarira kudengenyeka kwenyika pashure pokurarama mu
1906 San Francisco iyo yakakonzera kukuvadzwa kukuru muFerndale nomumupata wose weEel River. Bognuda akatanga tsamba naPerry Byerly uye akapinda zvidzidzo paYunivhesiti yeCalifornia kuBerkeley izvo zvakaguma neYunivhesiti uye US Coast uye Geodetic Survey kusimbisa Ferndale Seismographic Station ine chiedza cheBosch-Omori Seismograph kupfuura iyo inoshandiswa kuBerkeley panguva imwe chete.