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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Very broadband strain-rate measurements along a submarine fiber-optic cable off Cape Muroto, Nankai subduction zone, Japan

Fig. 5

Five-minute averages of the spatial and temporal changes in strain rate for the entire observation period. a Bathymetry profile along the cable route. b Space–time plot of the average strain rate (5-min interval) for the entire observation period. c Temporal changes in the average strain rate (5-min interval) at three selected channels. The traces have been shifted vertically for comparison. d Integration of the strain rate records shown in c. Note that the scale of 1 K includes a large uncertainty as explained in the text

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