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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Ultra-low velocity zone heterogeneities at the core–mantle boundary from diffracted PKKPab waves

Fig. 2

Map showing the distribution of the earthquakes (black stars) and stations (black inverted triangles) for PKKPab diffraction data analysis. Earthquakes and stations are connected with major-arc paths (gray lines). For a group of ray paths with similar azimuths, we choose the one with a median distance value as the represented ray path and only plot those represented rays. The diffracted paths of PKKPab diffraction waves along the CMB are shown as black lines on both the source and receiver sides

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