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| Professional Paper 1643: FIGURE 2 |
Figure 2
Structural geology of northeastern Strait of Juan de Fuca area (figure 1), based on interpretation of seismic-reflection (figs. 8-26), aeromagnetic (figure 3), outcrop (figure 27), and subsurface data (figure 28). Onshore faults (except on Whidbey and Camano Islands) are based on mapping of Whetten and others (1988). Not all faults and folds deform Quaternary deposits. Earthquake locations and magnitudes are from the Pacific Northwest Seismograph Network. DMF, Devils Mountain fault; FI, Fidalgo Island; G, Goat Island; I, Ika Island; LI, Lopez Island; RP, Rocky Point; SJI, San Juan Island; SP, Strawberry Point; SPF, Strawberry Point fault; SWF, southern Whidbey Island fault; UP, Utsalady Point; UPF, Utsalady Point fault.
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