Natural Disaster Communication Disruptions

Following last Tuesday's earthquake off Taiwan, Internet connectivity in Asia is still being disrupted. Indonesia is expecting it to take up to a month for normal services to be restored. How would your office function if it lost Internet access for weeks? Do you have contingency plans in place to deal with such a situation? Normally when we think of natural disasters disrupting communications, it's large-scale incidents. But in this case, a geologic event only impacted a single, yet very important, piece of the regional infrastructure.