Each well drilled, whether a hit or a miss, a discovery or a dry hole, adds to the geologic knowledge the company has with which to interpret its now vast array of seismic data.

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These include the international seismic monitoring network, the international array of sea level measuring stations (the Global Sea Level Observing System, the Global Telecommunication System of the World Meteorological Organization and associated public geostationary satellites) and the internet.

UNESCO: & CTBTO: Working together to issue timely alerts

The same kind of approach lay behind a generation of "array processors" used in computerized X-ray machines and seismic analyzers.

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