Ukuzamazama okungaphezu kuka-140 kuxwayise iCalifornia, futhi yilokho kungaba nokuzamazama komhlaba okukhulu nganoma yisiphi isikhathi. Ukuzamazama komhlaba, obekunamandla phakathi kuka-1,4 no-4,3 ngokwe-United States Geological Survey (i-USGS, ngesifinyezo sayo esiNgisini), bekungahle kube nomthelela wephutha laseSan Andrés, eliyingozi ku izwe.
ICalifornia ingazanyazanyiswa ukuzamazama komhlaba okukhulu okungu-7 noma ngaphezulu, njengomphumela wokuxabana phakathi kwepuleti laseNyakatho Melika kanye nePacific plate.
Ukuzamazama okungaphezu kuka-140 okurekhodwe ezinsukwini zakamuva kwenzeke eSalton Sea, ichibi elisenyakatho-mpumalanga yeSan Diego. Yize bebengenamandla kakhulu, bakhathaza ochwepheshe, abakuxwayisile lokho awukwazi ukwehlisa ukuqapha kwakhonjengoba ukuzamazama komhlaba okunamandla kakhulu kungenzeka noma nini.
Amadolobha anjengeSan Diego, iVentura, iSan Bernardino, iRiverside, i-Orange, iLos Angeles, neKern kanye ne-Imperial izifunda kungaba ezokuqala nezithinteka kakhulu ukuzamazama komhlaba okungenzeka kube isexwayiso siphezulu.
Noma kunjalo, umqondisi weSouthern California Earthquake Center, uThomas H. Jordan, unethemba. Ubeke ukuthi amathuba okuba nokuzamazama komhlaba okukhulu okwenzeka emahoreni ambalwa alandelayo aphansi, njengoba ukuzamazama komhlaba eSalton Sea nakho kwehlile. Kodwa-ke, kukhona izingxenye zephutha leSan Andrés ebelisebenza isikhathi eside. Lokhu kunjalo ngoqhekeko oluseningizimu kakhulu, ebelukhiqiza ukuzamazama komhlaba kwe- iminyaka 330.
Ukuzamazama komhlaba okukhulu eCalifornia kwenzeka njalo Iminyaka engama-150 noma engama-200Ngakho-ke, usongo lukhona njalo, ikakhulukazi uma kubhekwa ukuthi ngo-1906 kwakunobukhulu obuphakathi kuka-7,9 no-8,6 eSan Francisco okwabulala abantu abangaphezu kuka-3000 XNUMX.
Uma ufuna ukwazi ukuthi yikuphi ukuzamazama komhlaba kokugcina okwenzekile, ungakwenza chofoza lapha.