Fiye da rawar ƙasa 140 sun sanya California cikin faɗakarwa, kuma hakane babbar girgizar kasa na iya aukuwa a kowane lokaci. Girgizar kasar, wacce ta yi karfi tsakanin 1,4 da 4,3 a cewar Hukumar Kula da Yanayin Kasa ta Amurka (USGS, don karancinta a Turanci), na iya shafar Laifin San Andrés, wanda ke barazana ga kasar.
Girgizar ƙasa mai ƙarfi 7 ko mafi girma zata iya girgiza California, sakamakon gogayya tsakanin farantin Arewacin Amurka da tekun Pacific.
Girgizar ƙasa sama da 140 da aka rubuta a kwanakin baya ya faru ne a Tekun Salton, wani tafki da ke arewa maso gabashin San Diego. Kodayake ba su da zafin rai sosai, sun damu masana, wadanda suka yi gargadin hakan ba za ku iya barin tsaronku bakamar yadda girgizar ƙasa mai ƙarfi ka iya faruwa a kowane lokaci.
Garuruwa irin su San Diego, Ventura, San Bernardino, Riverside, Orange, Los Angeles, da Kern da Imperial na iya zama na farko kuma wanda girgizar ƙasar ta fi shafa, don haka faɗakarwa ta fi yawa.
Har yanzu, darektan Cibiyar Nazarin Girgizar Kasa ta Kudancin California, Thomas H. Jordan, yana da kyakkyawan fata. Ya yi sharhi cewa yiwuwar samun girgizar kasa da za ta faru a cikin 'yan awanni masu zuwa ba ta da yawa, saboda rawar jiki a tekun Salton ma ta ragu. Koyaya, akwai ɓangarorin Laifin San Andrés waɗanda suke aiki na dogon lokaci. Wannan shine batun fashewar kudu, wanda ke samar da girgizar kasa don 330 shekaru.
Manyan girgizar kasa a California na faruwa ne kowane Shekaru 150 ko 200Saboda haka, barazanar tana kasancewa koyaushe, musamman ganin cewa a cikin 1906 akwai wanda ya kai girman tsakanin 7,9 da 8,6 a San Francisco wanda ya yi sanadin mutuwar sama da 3000.
Idan kana son sanin menene sabuwar girgizar kasar ta kasance, zaka iya yi Latsa nan.