The seismometer vault (right) is a plastic cylindrical tank that is approximately 3 feet wide and 6 feet deep with a concrete pad at the bottom. The tank is mostly buried, with less than a foot of it above ground. The tank, or vault, encloses the batteries, data system, GPS receiver, communications equipment, and other electronics. A solar panel and communications antenna are attached to a metal mast and installed within 15 feet of the seismometer vault. If a separate satellite communications module is needed, a 3 foot dish and an enclosure with electronics is located near a source of AC power- linked by radio to the seismic station.

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