Ramba uchinyora ndima iyi - Nemhaka yenhoroondo yayo yokubudisa kudengenyeka kukuru (1857, 1906) nzvimbo inokosha yokuongororwa kwenjodzi yokudengenyeka muCalifornia yave iri San Andreas System yezvikanganiso. Zvisinei, gadziriro yezvikanganiso, kusanganisira Sierra Madre<unk>Cucamonga Fault System iyo inomhanya pamuganhu weSan Gabriel neSan Fernando Valleys, yakakonzerawo nhevedzano yezviitiko zvine mwero kusvika kune zvakakura muGreater Los Angeles Area. Chikamu chokumadokero zvikurusa cheiyi gadziriro yokuvhiringidzika chakaputika muna 1971
uye yave ichizivikanwa seimwe yenzira huru nhanhatu dzokuputsika idzo dzinopa tyisidziro kunharaunda ine vanhu vakawanda.