Same thing with cardboard boxes keeping the wines low to the ground will help eliminate some damage if that works for you.
Earthquake proof wine cellar.
Converting a storage room to a wine cellar.
Here at wci we carry earthquake resistant wine racks that can certainly help give a better degree of protection for your racks during earthquakes or other similar types of occurrences.
If the wine racks are high to fit high roofed wine cellars bolts can be placed at the top middle and lower parts of the wine rack.
Maximized storage capacity at 936 bottles.
Doing this will secure both the wine racks and the wine bottles.
Used metal wine racks with black finish.
By doing this you can prevent your bottles from falling on the floor and shattering which also saves the surrounding bottles from label damage.
You mention wine racks but one of the safest places for wines in an earthquake is in a wooden box.
Constructed an entire airtight wall and door with combination lock.
This item wine cellar innovations revue 24 bottle wall mounted wine rack 4 ft double deep silver modern wine storage earthquake resistant nine bottle wall mounted wine rack iron frame hanging rack and towel holder 9 bottle holder.
Adding a durable door to your wine rack can also minimize the possibility of bottles falling on the floor during an earthquake.
If you buy wine that way consider stacking wooden boxes but not too high.