California Codes, Code of Civil Procedure - CCP, Part 2 — Of Civil Actions, Title 10 — Actions in Particular Cases, Chapter 3.6 — Cullen Earthquake Act, Section 751.50
If the boundaries of land owned either by public or by private entities have been disturbed by earth movements such as, but not limited to, slides, subsidence, lateral or vertical displacements or similar disasters caused by man, or by earthquake or other acts of God, so that such lands are in a location different from that at which they were located prior to the disaster, an action in rem may be brought to equitably reestablish boundaries and to quiet title to land within the boundaries so reestablished.
Notes
Allows an in rem action to equitably reestablish land boundaries and quiet title when boundaries of publicly or privately owned land have been disturbed by earth movement or similar man-made or natural disaster so that the land occupies a location different from its location before the disaster.
Use as reference
Lexinter.net | California Code, Code of Civil Procedure - CCP § 751.50 | https://laws.lexinter.net/codes/california/code-of-civil-procedure/part-2/title-10/chapter-3-6/section-751-50