Abstract
After outlining routine seismological concepts the review describes present array installations. The theory of array processing schemes is outlined. Operational capabilities are presented for the routine operation of arrays to detect seismic events. Research prospects with arrays are described for a wide variety of problems connected with the seismic source and propagation phenomena. Emphasis is mainly on LASA, the large aperture seismic array in Montana which has been operating since 1965. Newer arrays in Norway and Alaska are described briefly. Finally, the problem of detection and identification of explosions, which was the original impetus for the installation of arrays, is reconsidered in the light of advances made possible by large arrays.

This publication has 42 references indexed in Scilit: