• Figure 1....Map of the area of the Aleutian Island arc
• Figure 2....The structure of the seismic refraction model, M-1
• Figure 3....Abstract of seismic activity monitored by the local networks
• Figure 4A....Hypocenter locations from the 6-week 1978 onshore-offshore (ocean-bottom) experiment of Frohlich et al. (1982)
• Figure 4B....Overlay of Figure 4A onto the activity reported by Murdock (1969)
• Figure 5A....Telseismic locations made by inverting for model velocity and hypocenters simultaneously, adapted from Engdahl and Gubbins (1987)
• Figure 5B....Comparison of the teleseismic locations with those made by the Adak network
• Figure 6....Seismic activity for 2 1/2 years, beginning in 1980, for the southern Kenai Peninsula area (map, inset)
• Figure 7....Concept of how continuous transport of the forearc shelf carries it down into the mantle producing the forearc shelf-basin
• Figure 8....Concept of deformation of the forearc shelf above the propagating decollement of the model of continuous transport
• Figure 9....Burial may explain the undisrupted layers of trench fill beneath the islandward trench wall
• Figure 10....Production of imbricate faulting by the propagating decollement
• Figure 11....Production of the forearc shelf-basin by discontinuous transport of the forearc by the locked T-thrust
• Figure 12....Deformation of the forearc shelf by discontinuous transport
• Figure 13....Gravity anomaly map of the central and eastern Aleutian Island arc
• Figure 14....Production of the forearc basin: comparison of the three different concepts, SPT, discontinuous transport and continuous transport
• Figure 15....Deformation of the forearc: comparison of the three different concepts, SPT, discontinuous transport and continuous transport

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Comments and questions should be directed to James N. Murdock, 611 Green Valley Dr. SE, Albuquerque, NM 87123, USA, (phone: 505.299.5254).