Figure1　Location of the 11 stations of the hydroacoustic network in the IMS. On the right hand side the stations' names given in west- east order.

　

The hydroacoustic network is designed to detect explosions in the ocean, in the low atmosphere and underground near the ocean (e.g. in a small island). Figure 2 illustrates this coverage.

Figure 2　Locations of explosions monitored by the hydroacoustic segment of IMS

　

IMS HYDROACOUSTIC STATIONS

　

Two different types of hydroacoustic stations have been chosen for use in the IMS, the hydrophone station and the T-phase station. In the following section the stations characteristics and specifications are presented in detail.

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