http://www.365main.net/sf_services.html

>Seismic Safety
>365 Main facilities are located in seismically safe environments.
>365 Main has the most comprehensive protection including 98 friction-pendulum base isolators
>that allow significant horizontal motion without damage.
>Built to withstand a “once-in-a 1,000 year earthquake,” making 365 Main the safest colocation option.