California Code, Civil Code - CIV § 2079.8

(a) If a Homeowner's Guide to Earthquake Safety described in Section 10149 of the Business and Professions Code is delivered to a buyer in connection with the sale of real property, including property specified in Section 1102 or under Chapter 7.5 (commencing with Section 2621) of Division 2 of the Public Resources Code, a seller or broker is not required to provide additional information concerning, and the information shall be deemed to be adequate to inform the buyer regarding, geologic and seismic hazards, in general, as described in the guide, that may affect real property and mitigating measures that the buyer or seller might consider.

(b) Notwithstanding subdivision (a), nothing in this section increases or decreases the duties, if any, of sellers or brokers, including, but not limited to, the duties of a seller or broker under this article, Article 1.5 (commencing with Section 1102) of Chapter 2 of Title 4 of Part 4 of Division 2, or under Chapter 7.5 (commencing with Section 2621) of Division 2 of the Public Resources Code, or alters the duty of a seller or broker to disclose the existence of known hazards on or affecting the real property.