Regarding your use of the Shake network, I would like to take a moment to clarify exactly how it can (and cannot) be used. While it is our intent that the network have an up-time as close to 100%, never has such a guarantee been stated anywhere in our documentation.
This is due to many reasons, a few of which are:
- The Shake network depends on internet infrastructure we have no control over; no one guarantees delivery of real-time data over the entire planet.
- Because this is a new project, only in existence for three years, our infrastructure must be updated from time to time resulting in necessary down-time.
- This project, from a network standpoint, is intended to be used primarily for hobbyist purposes: What does the shaking look like around me? What other types of local noise sources are occurring I might not know about? Can I really see an earthquake that occurred on the other side of the world?
Thus, the expectation that the network is available 100% of the time is not contained in our mission statement, nor is it a part of our mandate, either implicit or explicit.
As such, the Shake network is not to be used as an early warning system. While we cannot stop you from using it in such a way, we must state that using the network for reasons associated with saving human lives is not how it should be used. Furthermore, we refuse to accept responsibility for any negative outcomes due to the network being unavailable at any given moment.
While we are impressed by your dedication to the local people who live so close to a volcano, we suggest that if you require a warning system that you create your own infrastructure (servers, network, redundancy, automatic alerts, etc.) that is supported by you and your own employees. It is only in this manner (where everything is under your full control) that you will be able to provide the guarantee that you are looking for.