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ReMi. Team 5 Scott Mathot Lyndsay Hazelwood Ellen Hall-Patton. Arrays. 20 lines total 1-6 on West side of highway, following most visible fault trace 7-12 on East side of highway, where scarp was less apparent 13-20 perpendicular to the proposed fault. Lines 1-6. Lines 1-6. Line 7-12. - PowerPoint PPT Presentation
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ReMiTeam 5
Scott MathotLyndsay Hazelwood
Ellen Hall-Patton
20 lines total◦1-6 on West side of highway, following most visible fault trace
◦7-12 on East side of highway, where scarp was less apparent
◦13-20 perpendicular to the proposed fault
Arrays
Lines 1-6
Lines 1-6
Line 7-12
Line 13-20
Lines 13-20
Shear velocities at 30m depth change across the fault
Arrays on the Southwest side appear to show lower velocities than those on the NE side◦ Especially true when fault is visible on the surface
Differences in velocities become smaller the farther Southeast the arrays are set◦ Correlates with where fault becomes less apparent◦ Low velocity zone is apparent between the
vegetation lineament and projected fault trace
Results
Depth calculations allow for increased error as the angle of the dip of the layers departs from zero
Impossible to detect some geologic boundaries because of no field-measureable seismic shear-velocity contrast
Geophone placement and leveling Inconsistency in picking pf plots
Limitations