<prompt> Bhala okuqhubekayo kwalesi sigaba - Ukuchitheka kukawoyela eSanta Barbara ngo-1969 kwenzeka eSanta Barbara Channel, eduze kwedolobha laseSanta Barbara eNingizimu California. Ngaleso sikhathi kwakuwukuchitheka kukawoyela okukhulu kunakho konke emanzini ase-United States, futhi manje usezingeni lesithathu ngemuva kwe-Deepwater Horizon yango-2010 ne-Exxon Valdez yango-1989  <response>: ukuchitheka. Kusalokhu kuwukusakazeka kukawoyela okukhulu kunakho konke okwake kwenzeka emanzini aseCalifornia. Ukuthukuthela komphakathi okubangelwe ukuchitheka, okwathola ukunakwa okuvelele kwabezindaba e-United States, kwaholela emithethweni eminingi yezemvelo eminyakeni eminingana eyalandela, umthetho owakha uhlaka lwezomthetho nolulawulayo lwenhlangano yesimanje yezemvelo e-U.S. 