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The basic objective in excavating trenches is to identify and date layers within a stratigraphic succession that either have been disrupted by faulting or overlay fault traces without disruption. To deepen the analysis of these stratigraphic records of earthquakes, the team will apply additional subsurface geophysics techniques(electric tomography and ground penetrating radar) to the trenching area. Finally the trench stratigraphy and the earthquakes recorded in the trench will be correlated with sedimentary cores from nearby lakes
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Our Destek Trench log along the NAF near the Ladik Lake show a similar sequence of events (trench location).
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Trench Photos.
From Hartleb et al. BSSA 93 (2003)1935-1954, doi: 10.1785/0120010271
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