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| | Abstract | | We conducted ultra shallow P and S-wave seismic reflection surveys across the Yoro fault to image its subsurface structure shallower than 100m depth. Shot interval is 0.5m and Receiver interval is 1m. The source is Weight drop and hammer strike. We could image the bottom of the upper Holocene, the top of the alluvial fan gravel, which is 40m deep in the fault hanging wall and 10m in foot wall and shows flexture of 30m displacement. |
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