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Earth, Planets and Space
Fig. 12 | Earth, Planets and Space

Fig. 12

From: Active-source seismic survey on the northeastern Hawaiian Arch: insights into crustal structure and mantle reflectors

Fig. 12

a–c Close-ups of OBS3 and OSB5 record sections (see Fig. 6a). Arrows indicate wide-angle reflection phases (DRs) at large offsets. The travel times calculated from the 2-D ray tracing are superimposed on the record sections in the bottom panels. Reduction velocity is 8.5 km/s. Pn indicates refraction phases from the uppermost mantle. d Ray diagram for each DR. Black bars indicate reflection points

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