The methods to secure appliances to be earthquake proof would work I'd think. Securing to the floor seems a good way to go.
Jim
2003 GMC 3500 crew dually. Transfer Flow 50g aux tank; ISSPRO gauges, PPE boost valve, air box mods, stock exhaust w/o muffler, Line-X, Pace Edwards bed locker power tonneau. B&W Companion. Pulls a '05 Wildcat 31QBH 5th wheel