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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Seismic structures of the 154–160 Ma oceanic crust and uppermost mantle in the Northwest Pacific Basin

Fig. 2

Record sections of vertical-component seismograms (a: MTr6-96, b: MTr6-79, c: MTr8-15, d: MTr8-7). Vertical axis represents travel time (s) with a reduction velocity of 8.0 km/s. Horizontal axis denotes the offset distance in km from the OBS. P c is the phase refracted through the crust, P n is the mantle refraction phase, P g is the later phase refracted through the crust, and P m P is the phase reflected at the Moho.

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